Reference Standards

Medical Isotopes offers a wide range of reference standards, a standardized object or substance which is used as a measurement base for similar objects or substances, such as the pharmaceuticals of Doxycycline-d5 hyclate, Lathosterol-2,2,4,4-d4, Panthenol-d6, Cyclosporin A-13C2,d6, Sodium (+-)-2-Hydroxybutyrate-2,3,3-d3, and Isavuconazole-d4.


Labeled Reference Standards

Catalog No. Product Name Enrichment
Quantity Price
D100184 β-Carotene (10,10’,19,19,19,19’,19’,19’-d8)
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D14245 Carvedilol-d5 98%:d5
5 mg $1,000   Add to Cart
C77778 Carvedilol-13C3
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C77776 Carvedilol-13C6
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D100203 Caspofungin-d4
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D78337 Caspofungin-d4
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D8158 Cefadroxil-d4
Synonyms:
(6R,7R)-7-[[(2R)-Amino-(4-hydroxyphenyl-d4)acetyl]amino]-3- methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid Monohydrate; p-Hydroxycephalexine-d4 Monohydrate; BL-S578-d4; MJF-11567-3-d4; Baxan-d4;
98%D
1 mg $290   Add to Cart
5 mg $990   Add to Cart
D78080 Cefathiamidine-d12
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N79145 Cefazolin-13C2-15N
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D78477 Cefbuperazone-d4
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D63520 Cefcapene-d5
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D33644 Cefditoren-d3
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CN63530 Cefixime-13C,15N2
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CN91248 Cefotiam dihydrochloride-13C,15N2
Synonyms:
Cefotiam-13C, 15N2 Hydrochloride; Ceradon-13C, 15N2; HAR-13C, 15N2; HNP-13C, 15N2; Halospor-13C, 15N2; KMS-13C, 15N2; PAS-13C, 15N2; Pansporin-13C, 15N2; Pansporine-13C, 15N2; SEP-13C, 15N2; SFC-13C, 15N2; SFP-13C, 15N2; Spizef-13C, 15N2; Sporidyn-13C, 15N2;;
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78366 Ceftaroline fosamil impurity 18
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D75847 Ceftaroline fosamil-13C, d3
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D108529 Ceftazidime-d6
1 mg $890   Add to Cart
D18900 Ceftiofur-d3 hydrochloride
Synonyms:
(6R,7R)-7-[[(2Z)-2-(2-Amino-4-thiazolyl)-2-(methoxyimino-d3) acetyl]amino]-3-[[(2-furanylcarbonyl)thio]methyl]-8-oxo-5-thia-1- azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid; Excenel-d3; Excenel RTU-d3; U 64279A-d3; U 67279A-d3;;
99.8%D
1 mg $790   Add to Cart
5 mg $1,925   Add to Cart
D79062 Ceftiofur-d3
1 mg $490   Add to Cart
5 mg $1,590   Add to Cart
D108656 Ceftiofur-d3 sodium salt
1 mg $590   Add to Cart
D75215 Ceftriaxone-d3 disodium salt hydrate
1 mg $290   Add to Cart
D63552 Cefuroxime Axetil-d3
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D77959 Cefuroxime impurity B-d3
Synonyms:
E-Cefuroxime axetil;
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D77958 Cefuroxime impurity C E-Isomer-d3
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D77957 Cefuroxime Impurity E-d3
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108063 D-(+)-Cellohexose eicosaacetate
Synonyms:
O-2-3-4-6-Tetra-O-acetyl-b-D-glucopyranosyl-(1-4)-O-2-3-6-tri-O- acetyl-b-D-glucopyranosyl-(1-4)-O-2-3-6-tri-O-acetyl-b-D- glucopyranosyl-(1-4)-O-2-3-6-tri-O-acetyl-b-D-glucopyranosyl-(1-4 )-O-2-3-6-tri-O-acetyl-b-D-glucopyranosyl-(1-4)-D-glucopyranose tetraacetate;
5 mg $190   Add to Cart
25 mg $608   Add to Cart
D78369 Cenicriviroc-d7
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D68558 Cephradine-d5
Synonyms:
Cefradine-d5;
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D78565 (R)-Cetirizine-d4
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D68571 Chenodeoxycholic acid-d5
1 mg $390   Add to Cart
D654 Chenodeoxycholic-2,2,4,4-d4 acid
Synonyms:
Chenodiol;
98%D
5 mg $290   Add to Cart
25 mg $990   Add to Cart
108055 Chitoheptaose 7HCl
1 mg $199   Add to Cart
5 mg $608   Add to Cart
D33166 Chlorambucil-d8
Synonyms:
4-[Bis(2-chloroethyl)amino]benzenebutanoic Acid-d8; 4-[p-[Bis(2- chloroethyl)amino]phenyl]butyric Acid-d8; 4-[Bis(2-chloroethyl) amino]benzenebutanoic Acid-d8; 4-[p-[Bis(2-chloroethyl)amino] phenyl]butyric Acid-d8; Ambochlorin-d8; Amboclorin-d8; CB 1348- d8; Chlorambucil-d8; Chloraminophene-d8; Chlorbutin-d8; Chlorobutine-d8; Ecloril-d8; Leukeran-d8; Leukeran Tablets-d8; Linfolizin-d8; Linfolysin-d8; Lympholysin-d8; NCI 3088-d8; NSC 3088-d8; ?-[p-Bis(2-chloroethyl)aminophenyl]butyric Acid-d8; ?-[p -Di(2-chloroet;
98% D
1 mg $990   Add to Cart
5 mg $1,800   Add to Cart
D33723 Chloramphenicol-d4
5 mg $1,290   Add to Cart
D5346 Chlorguanide-d6 hydrochloride 98%D
10 mg $1,850   Add to Cart
D4509 Chlorhexidine-d8 dihydrochloride
Synonyms:
N,N’’-Bis(4-chlorophenyl-D8)-3,12-diimino-2,4,11,13 -tetraazatetradecanediimidamide Dihydrochloride; Lisium;
98%D
1 mg $290   Add to Cart
5 mg $990   Add to Cart
O108563 Chloric-18O3 acid potassium salt solution in H218O
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D74220 Chlormadinone Acetate-d5
10 mg $1,550   Add to Cart
25 mg $2,810   Add to Cart
CD78926 Chlormadinone acetate-13C-d3
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103336 (S)-(+)-3-Chloro-1-2-propanediol
10 g $190   Add to Cart
88196 2-Chloro-1-methylquinolinium tetrafluoroborate
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C108526 Chloroacetic acid-1-13C
250 mg $790   Add to Cart
C108527 Chloroacetic acid-2-13C
250 mg $790   Add to Cart
D88192 Chloroform-D + silver foil 99%
100 g $190   Add to Cart
D88937 2-((3R,5R,6S)-5-(3-Chlorophenyl)-6-(4-chlorophenyl)-1-((S)-1- (isopropylsulfonyl)-3-methylbutan-2-yl)-3-methyl-2-oxopiperidin-3 -yl)acetic acid-d7
Synonyms:
(3R,5R,6S)-5-(3-Chlorophenyl)-6-(4-chlorophenyl)-3-methyl-1-[(1S) -2-methyl-1-[[(1-methylethyl)sulfonyl]methyl]propyl]-2-oxo-3- piperidineacetic Acid-d7; AMG-232-d7;
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CD86648 Chloropretadalafil-13C2-d2
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D75896 Chloroquine-d5 diphosphate
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D75850 Chloroxuron-d6
1 mg $890   Add to Cart
D3399 (+/-)-Chlorpheniramine-d6 Maleate
Synonyms:
Chlorpheniramine-d6 Maleate Salt; N,N-dimethyl-d6;
98%D
10 mg $390   Add to Cart
50 mg $1,290   Add to Cart
D75877 Chlorpheniramine-d4 maleate
1 mg $290   Add to Cart
5 mg $990   Add to Cart
D664 Chlorpromazine-3,3-d2 HCl
Synonyms:
2-Chloro-10-(3-dimethylaminopropyl)phenothiazine HCl;
98%D
5 mg $495   Add to Cart
D44661 Chlorthalidone-d4
1 mg $290   Add to Cart
5 mg $990   Add to Cart
D75857 Chlorzoxazone-d3
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108482 Cholesteryl oleate-13C18 99% 13C
5 mg $1,490   Add to Cart
D77853 Cibenzoline impurity
Synonyms:
N-(2-aminoethyl-2,2-diphenyl Cyclopropanecarboxamide-d4;
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D77801 Ciclopirox-d11 glucuronide
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D78218 Cilastatin-15N-d3
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D110339 Cilnidipine-d7
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D70603 4’’-Hydroxy-cilostazol-d5
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D3554 Cimetidine-d3
Synonyms:
(N-Cyano-N’-methyl-d3-N’’-[2-[[(5-methyl-1H-imidazol-4-yl)methyl] thio]ethyl]guanidine; SKF-9233-4-d3; Acibilin-d3; Acinil-d3; Cimal-d3; Cimetag-D3; Cimetum-D3; Edalene-D3; Peptol-D3; Tagamet-D3; Ulcedin-D3);
98%D
1 mg $290   Add to Cart
5 mg $990   Add to Cart
D75846 Cinitapride-d5
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D32615 N-trans-Cinnamoylglycine-2,2-d2 99%D
0.01 g $825   Add to Cart
D86153 Cinnamyldenafil-d8
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D4465 Cinnarizine-d8
Synonyms:
(1-(Diphenylmethyl)-4-(3-phenyl-2-propenyl)piperazine-d8; Aplactan-d8);
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D78938 Ciprofibrate-d6
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D4507 Ciprofloxacin-d8 98%D
1 mg $390   Add to Cart
D78897 Citicoline-d4 sodium salt
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C100205 Citric acid-13C6 99% 13C
10 mg $590   Add to Cart
CD75852 (-)-Citrinin-13C-d3
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D74225 Clavulanic Acid Imidazole Derivative-d3
10 mg $1,790   Add to Cart
25 mg $3,490   Add to Cart
D34497 Clavulanic acid methyl-d3 ester
Synonyms:
(2R,3Z,5R)-3-(2-Hydroxyethylidene)-7-oxo-4-oxa-1-azabicyclo[3.2.0 ]heptane-2-carboxylic Acid Methyl-d3 Ester; [2R-(2α,3Z,5α)] - 3-(2-Hydroxyethylidene)-7-oxo-4-oxa-1-azabicyclo[3.2.0]heptane- 2-carboxylic Acid Methyl-d3 Ester; Methyl-d3 Clavulanate;;
98% D
5 mg $390   Add to Cart
D14485 (+/-)-Clenbuterol-d9 (trimethyl-d9) 99% D
0.01 g $855   Add to Cart
0.05 g $1,950   Add to Cart
D16809 Clenbuterol-d9 HCl
100 ug $650   Add to Cart
D4473 Clenbuterol-d9
Synonyms:
4-Amino-3,5-dichloro-α-[[(1,1-dimethylethyl-d9)amino]methyl] benzenemethanol; 4-amino-3,5-dichloro-α-[[[1,1-di(methyl-d3)ethyl-2,2,2-d -3]amino]methyl]Benzenemethanol;
99%D
1 mg $590   Add to Cart
D39478 Clencyclohexerol-d10
1 mg $650   Add to Cart
D44693 Clenisopenterol-d7 hydrochloride
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D44695 Clenpenterol-d5 hydrochloride
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D108522 Clenpenterol-(dimethyl-d6, propyl-d5) hydrochloride
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ND33895 Clevidipine-d10,15N
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D100202 Clidinium bromide-d10
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D110404 Clidinium-d7 Bromide
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D5830 Clindamycin-d3 hydrochloride 98%D
1 mg $890   Add to Cart
D68822 Clobetasol 17-Propionate-d5
1 mg $390   Add to Cart
D91926 Clobutinol hydrochloride-d6
Synonyms:
4-Chloro-&α;-[2-(dimethylamino)-1-methylethyl]-&α;- methylbenzeneethanol Hydrochloride-d6; p-Chloro-&α;-[2- (dimethylamino)-1-methylethyl]-&α;-methylphenethyl Alcohol Hydrochloride-d6; Biotertussin-d6; KAT 256-d6; Silom-d6; Silomat- d6; Silonist-d6;
   Request Quote
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CN68831 Clofarabine-13C,15N3
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D79046 Clomiphene-d5 hydrochloride
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D16829 Clomipramine-d3
100 ug $580   Add to Cart
D8546 Clomipramine-d6 hydrochloride
Synonyms:
3-Chloro-10,11-dihydro-N,N-(dimethyl-d6)-5H-dibenz[b,f] azepine-5-propanamine Hydrochloride; 3-Chloro-5-[3-(dimethylamino-d6)propyl]-10,11-dihydro-5H- dibenz[b,f]azepine Hydrochloride; Chlorimipramine-d6 Hydrochloride; Anafranil-d6;
98%D
1 mg $890   Add to Cart
5 mg $2,120   Add to Cart
D75834 Clomipramine-13C,d3 hydrochloride
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D8550 Clonidine-d4 hydrochloride
Synonyms:
N-(2,6-Dichlorophenyl)-4,5-dihydro-1H-imidazol-d4-2-amine; 2-(2,6-Dichloroanilino)-2-imidazoline-d4; ST-155-d4; Catapres-d4; Catapresan-d4;
98%D
1 mg $190   Add to Cart
5 mg $590   Add to Cart
D78869 Clonixin-d6
Synonyms:
Chlonixin-d6;
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D74341 rac-Clopidogrel acid-d4 hydrochloride
10 mg $2,065   Add to Cart
25 mg $4,270   Add to Cart
D75840 Clopidogrel-d4 carboxylic acid
Synonyms:
rac-Clopidogrel-d4 Carboxylic Acid; (+/-)-Clopidogrel-d4 Carboxylic Acid;
1 mg $390   Add to Cart
D74227 Clopidogrel-d4
10 mg $1,950   Add to Cart
25 mg $3,565   Add to Cart
C88152 Clopidogrel-13C6 Hydrogen Sulfate
1 mg $890   Add to Cart
C108611 Clopyralid-13C3
1 mg $990   Add to Cart
78265 Closantel-13C6
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D1780 Clotrimazole-d5 99%D
5 mg $290   Add to Cart
25 mg $890   Add to Cart
D33899 Clotrimazole-d10
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D91937 Clozapine-d3
Synonyms:
8-Chloro-11-[4-(methyl-d3)-1-piperazinyl]-5H-Dibenzo[b,e][1,4] diazepine; HF-1854,-d3; Liponex-d3;
1 mg $450   Add to Cart
10 mg $1,600   Add to Cart
D16813 Clozapine-d4 99%D
1 mg $290   Add to Cart
5 mg $890   Add to Cart
D50412 Cobicistat-d8
1 mg $990   Add to Cart
D108614 Cobicistat-13C4, d3
1 mg $890   Add to Cart
D8576 Colchicine-d6
Synonyms:
N-[(7S)-5,6,7,9-Tetrahydro-1,2,3,10-tetramethoxy-9-oxobenzo[a] heptalen-7-yl]acetamide-d6; (-)-Colchicine-d6; Colchineos-d6; Colchisol-d6; Colcin-d6; Colsaloid-d6; Condylon-d6; NSC 757-d6;
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D77919 Combretastatin A4-d3
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D78612 Conivaptan-d4
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D78595 COTI-219-d8
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CD74231 Cotinine-N-Oxide-13C2d4 HCl
10 mg $4,490   Add to Cart
25 mg $7,490   Add to Cart
D91966 Cotrimoxazole-d4
Synonyms:
Abacin-d4; Abactrim-d4; Acuco-d4; Alcorim F-d4; Alfatrim-d4; Andoprim-d4; Anitrim-d4; Antibiotic TMP-SMZ-d4; Antrimox-d4; Aop- Sulfatrim-d4; Apo-Sulfatrim-d4; BS-d4; Bacdan-d4; Bacidal-d4; Bacin-d4; Bacticel-d4; Bactifor-d4; Bactoprim-d4; Bactramin-d4; Bactrim-d4; Bactrim DS-d4; Bactrim Forte-d4; Bactrimel-d4; Baktar -d4; Bencole-d4; Bethaprim-d4; Biosulten-d4; Biseptol-d4; Biseptol 480-d4; Brifeseptol-d4; Briscotrim-d4; Bronquimucil-d4; Centrim-d4; Chemitrim-d4; Chemotrim-d4; Ciplin-d4; Co-Trimoxazole -d4; Co;
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D78582 Cotrimoxazole-13C,d3
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D14261 Coumarin-d4
Synonyms:
1-Benzopyran-2-one; 1,2-Benzopyrone;
98%:d4
25 mg $2,000   Add to Cart
C108636 Creatinine-(guanidino-13C)
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100191 Creatinine-(methyl-13C)
Synonyms:
4-Amidinosarcosine-(methyl-13C);
99% 13C
100 mg $490   Add to Cart
CD100194 Creatinine-13C3,d3,15N
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C110489 trans-Crotonic acid-13C4
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D39512 Crotonobetaine-d9 hydrochloride
0.5 mg $490   Add to Cart
D56113 Curcumin sulfate-d6 tetrabutylammonium salt
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D32143 Cyclobenzaprine-d3 hydrochloride
Synonyms:
Cyclobenzaprine-d3 HCl (N-methyl-d3);
99%D
10 mg $290   Add to Cart
50 mg $890   Add to Cart
C74232 D-Cyclohexylalanine-D-Glutamate-Glycine Trifluoroacetic Acid Salt -13C215N
10 mg $1,750   Add to Cart
25 mg $3,260   Add to Cart
D2816 Cyclopentanone-d8 98%D
250 mg $590   Add to Cart
D86159 Cyclopentynafil-d5
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D665 Cyclophosphamide-d4 99%D
1 mg $990   Add to Cart
5 mg $1,900   Add to Cart
D8710 Cyclosporin A-d4
Synonyms:
Cyclosporine-d4; Ciclosporin-d4; Atopica-d4; Sandimmun(e)-d4; Neoral-d4; Optimmune-d4;
1 mg $590   Add to Cart
5 mg $1,890   Add to Cart
D108490 trans-Cypermethrin d6
1.1 ml $490   Add to Cart
CD78164 Cyproheptadine-13C-d3
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D78163 Cyproheptadine-d3
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D75867 Cyproterone acetate-d5
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D75875 Cystine-d4
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N75844 Cytarabine-13C-15N2
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D78781 Cytidine-d2
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CN3107 Cytosine-2,4-13C,15N3 99%13C,98%15N
5 mg $850   Add to Cart
CD75999 D-Glucose-13C6, d2
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D75939 Dabigatran-d4
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C92187 Dabigatran-13C6
Synonyms:
N-[[2-[[[4-(Aminoiminomethyl)phenyl]amino]methyl]-1-methyl-1H- benzimidazol-5-yl]carbonyl]-N-2-pyridinyl- β-alanine-13C6; BIBR 953-13C6; BIBR 953ZW-13C6;
1 mg $490   Add to Cart
D4349 Daidzein-d6
Synonyms:
7-Hydroxy-3-(4-hydroxyphenyl)-4H-1-benzopyran-4-one-d6; 4’,7-Dihydroxyisoflavone-D6; Daidzein-2’,3’,5’,6,6’,8-D6;
98%D
1 mg $290   Add to Cart
D108715 Daidzein-d6
1 mg $290   Add to Cart
D88151 Dalbavancin-d6
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79251 Dalotutumab (Renzapride)-13CD3
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D88191 Daminozide D6 100 ng/ul in Acetonitrile
1.1 ml $290   Add to Cart
D74869 Dantrolene-d4
5 mg $990   Add to Cart
D50513 Dapagliflozin-d5
1 mg $590   Add to Cart
D110433 Dapoxetine-d6HCl
Synonyms:
(αS)-N,N-(Dimethyl-d6)-α-[2-(1-naphthalenyloxy)ethyl] benzenemethanamine; LY-210448-d6;;
1 mg $290   Add to Cart
5 mg $928   Add to Cart
D79154 Dapsone-d8
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D75910 Daptomycin-d5
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D75927 Darifenacin-d5
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D75930 Deferasirox Iron Complex-d8
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CD79218 Deferoxamine-13C2-d3 Mesylate
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D75377 Deferoxamine-d7 trifluoroacetate >95%
0.5 mg $490   Add to Cart
D8791 3,4-Dehydro cilostazol-d11
Synonyms:
6-[4-(1-Cyclohexyl-d11-1H-tetrazol-5-yl)butoxy]-2(1H)- quinolinone; OPC 13015-d11;
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D80850 Dehydro Felodipine-d5
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