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
D615 Indole-3-acetic-2,2-d2 acid 98%D
100 mg $190   Add to Cart
D46860 Intermedine N-Oxide-d7
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D46858 Intermedine-d7
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C108659 Iodoethane-2-13C
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D74272 Iohexol-d10
25 mg $2,990   Add to Cart
D32534 (+/-)-Ipratropium-d3 Bromide (N-methyl-d3) 99%D
5 mg $835   Add to Cart
10 mg $1,495   Add to Cart
D59213 Ipratropium-d3 iodide
1 mg $625   Add to Cart
10 mg $2,000   Add to Cart
D59214 Ipratropium-d7 Bromide
1 mg $625   Add to Cart
10 mg $2,000   Add to Cart
D14282 Irbesartan-d4
Synonyms:
Avapro; BMS-186295; SR-47436;
98%:d4
5 mg $1,900   Add to Cart
1 mg $990   Add to Cart
D74274 Irinotecan-d10
10 mg $1,900   Add to Cart
25 mg $3,700   Add to Cart
88166 Isodesmosine chloride hydrate
1 mg $490   Add to Cart
C33180 Isodrin-13C12
1.2 ml $1,600   Add to Cart
C41112 Itaconic acid-13C5
0.5 mg $390   Add to Cart
D14283 Itraconazole-d3
Synonyms:
Sporanox; Oriconazole; R51211;
98%:d3
5 mg $1,500   Add to Cart
1 mg $1,000   Add to Cart
D81707 Ivacaftor-d19
5 mg $890   Add to Cart
D80657 3-Keto fenretinide-d4
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D14284 Ketoconazole-d3
Synonyms:
(±)-cis-1-Acetyl-4-(4-[(2-[2,4-dichlorophenyl]-2-[1H-imidazol-1- ylmethyl]-1,3-dioxolan-4-yl)-methoxy]phenyl)piperazine;
98%:d3
5 mg $990   Add to Cart
D79408 2-Ketodoxapram-d5
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CD14286 Ketoprofen-13C-D3 98%:13C, 98%:D3
5 mg $1,000   Add to Cart
D14285 Ketoprofen-d3 98%D
5 mg $750   Add to Cart
D59387 Ketotifen-d3 fumarate
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D2294 Kynurenic-3,5,6,7,8-d5 acid 98%D
5 mg $195   Add to Cart
25 mg $590   Add to Cart
D96344 rac Kynurenine-d4 TFA Salt
Synonyms:
&α;,2-Diamino-γ-oxobenzenebutanoic Acid-d4 TFA Salt; 3- Anthraniloylalanine-d4 TFA Salt; DL-Kynurenine-d4 TFA Salt; Kynurenin-d4 TFA Salt; dl-Kynurenine-d4 TFA Salt;;
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D37563 L-Kynurenine-d4
1 mg $790   Add to Cart
CO33770 Lactose monohydrate-UL-13C12
Synonyms:
4-O-β-D-[UL-13C6]Galactopyranosyl-D-[UL-13C6]glucose; lactose-13C12 monohydrate;
25 mg $390   Add to Cart
D71111 Lapatinib-d7 dihydrochloride
1 mg $390   Add to Cart
5 mg $1,190   Add to Cart
C14738 Lenalidomide-13C5 99% 13C
1 mg $990   Add to Cart
D47095 Lenalidomide-d5
1 mg $290   Add to Cart
5 mg $990   Add to Cart
D74278 Leuco Azure B-d9 Dihydrobromide
10 mg $3,490   Add to Cart
25 mg $6,490   Add to Cart
D74279 Leuco Methylene Blue-d12 Dihydrobromide
10 mg $2,990   Add to Cart
25 mg $5,490   Add to Cart
D65817 Leucovorin-d4 Calcium Salt Hydrate, > 90%
0.25 mg $490   Add to Cart
CD33190 Leukotriene C4-d5
Synonyms:
LTC4-d5;
>99% D
25 ug $745   Add to Cart
50 ug $945   Add to Cart
100 ug $1,350   Add to Cart
D74280 Leuprolide Trifluoroacetate-d10
10 mg $3,490   Add to Cart
25 mg $7,000   Add to Cart
D75268 Levetiracetam-d6 (2,3,3,4,4,4-butyramide-d6)
Synonyms:
2(S)-(2-Oxopyrrolidin-1-yl)butyramide-d6;
5 mg $950   Add to Cart
25 mg $2,750   Add to Cart
D14288 Levetiracetam-d6
Synonyms:
(αS)-α-Ethyl-2-oxo-1-pyrrolidineacetamide; 2(S)-(2-Oxopyrrolidin-1-yl)butyramide;
99.4% D
1 mg $590   Add to Cart
5 mg $1,000   Add to Cart
D108495 Levocabastine-d4
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CN82733 Levothyroxine-13C9-15N
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D73523 Limonene-d4
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CD74281 Linagliptin-13C, d3
10 mg $3,450   Add to Cart
25 mg $5,490   Add to Cart
CD59503 Lincomycin-13C,d3
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C108569 α-Linolenic acid-13C
10 mg $890   Add to Cart
C87228 Liothyronine-15N-13C9
Synonyms:
3,3’,5-Triiodo-L-thyronine-15N- 13C9;
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88168 Lomitapide M1
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88169 Lomitapide M3
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D82615 Lopinavir-d8
1 mg $490   Add to Cart
D14295 Losartan-d4 98%:d4
1 mg $290   Add to Cart
D14296 Losartan-d4 carboxylic acid
Synonyms:
Losartan carboxylic acid-d4;
98%:d4
1 mg $390   Add to Cart
5 mg $990   Add to Cart
D74285 Lurasidone-d4 HCl
10 mg $1,550   Add to Cart
25 mg $1,990   Add to Cart
D47155 (+)-Lycopsamine N-oxide-d7
0.5 mg $390   Add to Cart
D47153 (+)-Lycopsamine-d7
1 mg $590   Add to Cart
D657 Mandelic Acid-2,3,4,5,6-d5 98%D
5 mg $495   Add to Cart
D74286 Mefloquine-d7
10 mg $2,625   Add to Cart
25 mg $5,175   Add to Cart
D2116 Melatonin-d4
Synonyms:
N-Acetyl-5-methoxytryptamine-α,α,β,β-d4;
98%D
1 mg $190   Add to Cart
5 mg $590   Add to Cart
D5836 Melatonin-4,6,7-d3
Synonyms:
N-Acetyl-5-methoxytryptamine-4,6,7-d3;
98%D
5 mg $990   Add to Cart
CD74287 Meloxicam-13C, d3
10 mg $1,800   Add to Cart
25 mg $3,425   Add to Cart
D47232 Mertansine-d9
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47231 Mertansine-13C,d3
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D14300 Mesalamine-d3
Synonyms:
Mesalamine-d3; Mesalazine-d3;
1 mg $390   Add to Cart
D108478 met-Enkephalin-d4 TFA salt
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D618 DL-Metanephrine-d3 hydrochloride
Synonyms:
4-Hydroxy-3-methoxy-α-(methylaminomethyl)benzyl Alcohol HCl;
98%D
10 mg $250   Add to Cart
5 mg $150   Add to Cart
D41268 Metconazole-d6
1 mg $390   Add to Cart
D108596 Methacryloyl Chloride-d5
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D80660 4-Methoxy fenretinide-d4
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D100208 5-[[3-Methoxy-4-[(4-methoxyphenyl)methoxy]phenyl]methyl]-2,4- pyrimidinediamine-d3
Synonyms:
GW 2580-d3;
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D78242 18-Methoxycoronaridine-d4
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D78243 18-Methoxycoronaridine-d7
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D2240 3-Methoxytyramine-d4 hydrochloride
Synonyms:
2-(4-Hydroxy-3-methoxyphenyl)ethyl-1,1,2,2-D4-amine HCl; 3-Methoxytyramine-α,α,β,β-d4 hydrochloride;
97.8%
5 mg $650   Add to Cart
C527 5-Methyl Cytosine-2-13C HCl 99%13C
5 mg $990   Add to Cart
CD81832 1-Methyl-13C,d3-1H-imidazol-4-yl acetic acid
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N86934 5-Methyl-5,6,7,8-tetrahydroquinazoline-2,4-diamine-15N3
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D81831 1-Methyl-d3-1H-imidazol-4-yl acetic acid
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O79567 (DL)-3-O-Methyldopa
Synonyms:
Levodopa Related Compound B;
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D74294 Methylene Blue Bromide-d12
25 mg $3,570   Add to Cart
50 mg $5,570   Add to Cart
D100198 Methylene-d2 Chloride (contains 0.1 % [v/v] TMS) 99% D
1 g $190   Add to Cart
D504 Methylphenylethanolamine-(α,α-d2) Benzoate 95+% D
5 mg $495   Add to Cart
D74295 Metoprolol Tartrate-d7
10 mg $1,600   Add to Cart
25 mg $3,030   Add to Cart
D14298 Metoprolol-d6 hemi tartrate 98% D6
5 mg $1,400   Add to Cart
D16858 Mianserin-d3
100 ug $580   Add to Cart
D97486 Minocycline-d7
Synonyms:
(4S,4aS,5aR,12aS)-4-(Dimethylamino)-7-[di(methyl-d3)amino]-1,4,4a ,5,5a,6,11,12a-octahydro-3,10,12,12a-tetrahydroxy-1,11-dioxo-2- naphthacenecarboxamide-d7;
90%
0.5 mg $590   Add to Cart
D12350 Minocycline-d6 dihydrochloride
Synonyms:
[4S-(4a,4aa,5aa,12aa)]-4-(Dimethylamino-d6)-7-(dimethylamino) -1,4,4a,5,5a,6,11,12a-octahydro-3,10,12,12a-tetrahydro-1,11-dioxo -2-naphthacenecarboxamide Hydrochloride; Arestin-d6; Dynacin-d6; Klinomycin-d6;
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D66288 Mirtazapine-d4
1 mg $700   Add to Cart
10 mg $2,600   Add to Cart
CD76055 (R)-Mirtazapine-13C-d3
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CD76056 (S)-Mirtazapine-13C-d3
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D74296 Misoprostol Acid-d3
10 mg $2,790   Add to Cart
25 mg $5,450   Add to Cart
74297 Modafinil Acid
50 mg $1,550   Add to Cart
100 mg $1,750   Add to Cart
D83159 (R)-(-)-Modafinil-d5
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D83158 (R)-(-)-Modafinil-d5 Acid
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D3559 Mometasone furoate-d3 98%D
1 mg $290   Add to Cart
5 mg $890   Add to Cart
C74298 Monomethyl Fumarate-13C4
10 mg $2,990   Add to Cart
25 mg $4,490   Add to Cart
D14301 Moxifloxacin-d4 HCl 98%:d4
5 mg $1,000   Add to Cart
D108511 6β-Naltrexol-d4 trifluoroacetate salt
1 mg $690   Add to Cart
D58960 2-Hydroxy-1,4-naphthoquinone-5,6,7,8-d4
Synonyms:
Lawsone-d4;
10 mg $490   Add to Cart
D74342 rac Nebivolol-d4 hydrochloride
25 mg $2,610   Add to Cart
50 mg $4,220   Add to Cart
C97693 Niclosamide-13C6
Synonyms:
5-Chloro-N-(2-chloro-4-nitrophenyl)-2-hydroxybenzamide-13C6 Hydrate; 2’,5-D733ichloro-4’-nitrosalicylanilide-13C6; Bayluscid- 13C6; Cestocid-13C6; Cestocide-13C6; Devermin-13C6; Devermine- 13C6; Helmiantin-13C6; Iomesan-13C6; Lintex-13C6; Mansonil-13C6; Mato-13C6; N-(2-Chloro-4-nitrophenyl)-5-chlorosalicylamide-13C6; Yomesan-13C6; Zestocarp-13C6;;
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C108662 Niclosamide-13C6 hydrate
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C83586 β-Nicotinamide mononucleotide-13C6
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CD74312 Nicotine-13C2, d4
10 mg $3,490   Add to Cart
25 mg $5,490   Add to Cart
D14307 Nifuroxzide-d4 98%:d4
5 mg $750   Add to Cart
D74313 Nifurtimox-d8
10 mg $2,090   Add to Cart
25 mg $3,490   Add to Cart
D14305 Nisoldipine-d6 98%:d6
5 mg $750   Add to Cart
D71729 Nomegestrol acetate-d6
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D108612 Nomegestrol acetate-d6
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D33173 4-Hydroxy Nonenal-d3
Synonyms:
4-HNE-d3; (+/-)-4-hydroxy-9,9,9-d3-non-2E-enal;
>99%D
100 ug $490   Add to Cart
D108559 4-Nonylphenol-2,3,5,6-d4
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D14375 Nor Verapamil-d7 Hydrochloride
Synonyms:
N-Desmethyl Verapamil-d7 HCl;
98%:d7
5 mg $1,900   Add to Cart
1 mg $800   Add to Cart
D47942 Nordihydro capsaicin-d3
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D3501 Norepinephrine-2,5,6,α,β,β-d6 hydrochloride
Synonyms:
Noradrenaline-2,5,6,α,β,β-d6 HCl; 3,4-Dihydroxyphenylethanolamine-2,5,6,α,β,β-d6 HCl;
98%D
5 mg $840   Add to Cart
D631 DL-Normetanephrine-d3 hydrochloride 97%D
5 mg $210   Add to Cart
10 mg $250   Add to Cart
50 mg $510   Add to Cart
D74224 cis-9-octadecenylphosphocholine-d9
10 mg $1,550   Add to Cart
25 mg $1,963   Add to Cart
D74776 Octocrylene-d15
Synonyms:
[2-(Ethyl-d5)-hexyl-2,3,3,4,4,5,5,6,6,6-d10] 2-cyano-3,3- diphenylacrylate; Octocrylene-(2-ethyl-d5-hexyl-2,3,3,4,4,5,5,6,6,6-d10);
10 mg $509   Add to Cart
D108634 Octocrylene-d5
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D625 Octopamine-d3 hydrochloride
Synonyms:
Norsympathol (α-d2, β-d1) HCl; beta-Hydroxytyramine (α-d2, β-d1) HCl; para-hydroxy-phenyl-ethanolamine (α-d2, β-d1) HCl; Norsynephrine (α-d2, β-d1) HCl; (RS)-4-(2-amino-1-hydroxy-ethyl)phenol (1-d1, 2-d2) HCl;
98%D
5 mg $250   Add to Cart
D14308 Olanzapine-(methyl-d3)
Synonyms:
Olanzapine-d3 (4-methyl-d3-piperazinyl);
98%:d3
1 mg $750   Add to Cart
5 mg $2,000   Add to Cart
CD88211 Olanzapine-13C,d3
1 mg $490   Add to Cart
D14315 Olmesartan-d4 99% D
5 mg $1,000   Add to Cart
D14309 5-Hydroxy Omeprazole-d3 Sodium Salt 98%:d3
5 mg $3,250   Add to Cart
D14310 Opipramol-d4 98%:d4
5 mg $750   Add to Cart
D100175 L-Ornithine-5,5-d2 hydrochloride 98% D
100 mg $790   Add to Cart
D48041 Oxazine 750 perchlorate-d5
2.5 mg $650   Add to Cart
25 mg $2,200   Add to Cart
D88188 Oxindole-3-acetic acid-d4
Synonyms:
2-Oxo-3-Indolineacetic Acid; (±)-2,3-Dihydro-2-oxoindole-3- acetic Acid; (±)-2-Oxindoline-3-acetic Acid; (±)-2-Oxo-3- indolineacetic Acid; 2-(2-Oxoindolin-3-yl)acetic Acid; 2-Oxo-3- indolineacetic Acid;
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D75833 4-Oxo cyclophosphamide-d8
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D75838 2-Oxo-Clopidogrel-d4 (Mixture of Diastereomers)
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D81454 5-Oxoproline-d5
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D14312 Oxybutynin-d10 HCl 98%:d10
5 mg $750   Add to Cart
D84079 (S)-Oxybutynin-d11
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D84080 (R)-Oxybutynin-d11
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D108544 Oxytetracycline-d6
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D74318 Pagoclone-d4
10 mg $2,180   Add to Cart
25 mg $4,125   Add to Cart
D48109 Palbociclib-d8
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C100204 Palmitoyl-13C16-L-carnitine hydrochloride
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D74155 (S,S)-Palonosetron-d4 hydrochloride
10 mg $1,950   Add to Cart
25 mg $3,450   Add to Cart
D84188 (S)-Pantoprazole-d6
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D84189 (R)-Pantoprazole-d6
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D74319 Papaverine-d6
10 mg $1,570   Add to Cart
25 mg $2,770   Add to Cart
D74320 Pazopanib-d7 hydrochloride
10 mg $1,600   Add to Cart
25 mg $2,400   Add to Cart
D66644 Pazopanib-d3 hydrochloride
5 mg $650   Add to Cart
CD108540 Pazopanib-13C,d3
1 mg $390   Add to Cart
C66646 Pemetrexed-13C5 disodium salt
1 mg $490   Add to Cart
CN74322 Pemetrexed- 15N, 13C5
10 mg $2,490   Add to Cart
C108496 Pemetrexed-13C5
1 mg $325   Add to Cart
D74325 Peramivir-d3
10 mg $2,490   Add to Cart
25 mg $4,490   Add to Cart
D505 Phenelzine Sulfate (α,α-d2) 95%D
5 mg $495   Add to Cart
D14317 Phenoxybenzamine-d5 98%:d5
5 mg $750   Add to Cart
D74309 N-Phenylacetyl Glutamate-d5
25 mg $2,990   Add to Cart
50 mg $4,490   Add to Cart
D13028 (R)-Phenylephrine-d3 hydrochloride
Synonyms:
(aR)-3-Hydroxy-α-[(methyl-d3-amino)methyl]benzenemethanol; m-Methylaminoethanolphenol-d3; Metaoxedrin-d3; (R)-Phenylephrine-methyl-d3;
98%D
5 mg $990   Add to Cart
1 mg $340   Add to Cart
D32447 (R)-(-)-Phenylephrine-2,4,6-d3 hydrochloride 97%D
10 mg $390   Add to Cart
50 mg $1,090   Add to Cart
D519 Phenylethanolamine (ring)-d5 HCl 98%D
5 mg $495   Add to Cart
D77357 4-Phenylphenol-d5
Synonyms:
4-Hydroxy Biphenyl-D5;
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D16818 Phenytoin-d10
Synonyms:
5,5-(Diphenyl-d10) Hydantoin; 5,5-Diphenylhydantoin-diphenyl-d10;
99%D
25 mg $590   Add to Cart
D74316 ortho-Phthalaldehyde-d6
Synonyms:
o-Phthalaldehyde-d6;
50 mg $2,490   Add to Cart