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.


Unlabeled Reference Standards

Catalog No. Product Name Enrichment
Quantity Price
36573 Dalfampridine
200 mg $715   Add to Cart
36572 Dalfampridine Resolution Mixture
15 mg $1,171   Add to Cart
79250 Dalotutumab (Renzapride)
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79537 Dantrolene Impurity 1
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79538 Dantrolene Impurity 2
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79539 Dantrolene Impurity 3
Synonyms:
2-[1-(Aminocarbonyl)-2-[[5-(4-nitrophenyl)-2-furanyl]methylene] hydrazinyl]-acetic Acid Ethyl Ester;
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5421 Dantrolene Sodium
5 mg    Request Quote
O79834 Dapagliflozin 3-O-glucuronide
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79838 Dapagliflozin alfa-Isomer
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79839 Dapagliflozin Impurity 1
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79832 Dapagliflozin Impurity 10
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79833 Dapagliflozin Impurity 11
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79835 Dapagliflozin Impurity 12
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79836 Dapagliflozin Impurity 13
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79837 Dapagliflozin Impurity 14
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79840 Dapagliflozin Impurity 2
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79841 Dapagliflozin Impurity 3
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79842 Dapagliflozin Impurity 4 (Mixture of Diastereomers)
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79843 Dapagliflozin impurity 5
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79828 Dapagliflozin Impurity 6
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79829 Dapagliflozin Impurity 7
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79830 Dapagliflozin Impurity 8
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79831 Dapagliflozin Impurity 9
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79509 Dapoxetine (Free Base)
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79507 Dapoxetine 2-Naphthyl Impurity
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79508 Dapoxetine 4-Phenylethylene Impurity HCl
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79510 Dapoxetine Impurity 1
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79497 Dapoxetine Impurity 2 HCl
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79498 Dapoxetine Impurity 3
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79499 Dapoxetine Impurity 4
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79501 Dapoxetine Impurity 5 (Mixture of Z and E Isomers)
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79502 Dapoxetine Impurity 6
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4662 N-Acetyl Dapsone
Synonyms:
Monoacetyldapsone; Mono-N-acetyl-4-4’-sulfonylbisbenzeneamine;
10 mg $850   Add to Cart
50 mg $2,000   Add to Cart
79157 Dapsone Dimer Impurity
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79155 Dapsone Impurity 6
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79320 Daptomycin Impurity 1
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79329 Daptomycin Impurity 10
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79330 Daptomycin Impurity 11
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79331 Daptomycin Impurity 12
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79332 Daptomycin Impurity 13
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79321 Daptomycin Impurity 2
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79322 Daptomycin Impurity 3 Sodium Salt
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79323 Daptomycin Impurity 4
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79324 Daptomycin Impurity 5
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79325 Daptomycin Impurity 6
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79326 Daptomycin Impurity 7
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79327 Daptomycin Impurity 8
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79328 Daptomycin Impurity 9
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79450 Darifenacin
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79469 Darifenacin Amide Impurity
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79457 Darifenacin Bromo Impurity
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79453 Darifenacin Carboxylic Acid Impurity
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79451 Darifenacin Dimer-1
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79452 Darifenacin Dimer-2
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79468 Darifenacin HBr
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79463 Darifenacin Impurity 1
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79465 Darifenacin Impurity A
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79461 Darifenacin Impurity D
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79454 Darifenacin Impurity E
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79455 Darifenacin Impurity H
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79462 Darifenacin Morpholine Amide Impurity
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79464 Darifenacin N-Oxide (Mixture of Diastereomers)
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79471 Darifenacin Oxidized Impurity
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79470 Darifenacin R-Isomer Impurity
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79656 Darunavir Impurity 1
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79657 Darunavir Impurity 2
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79658 Darunavir Impurity 3 (Amino Dimer)
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79652 Darunavir Impurity A
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79654 Darunavir Impurity B
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79655 Darunavir Impurity D
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79661 Darunavir Monohydroxylated Carbamate hydrolyzed metabolite (R426855)
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79659 Darunavir Related Compound 03
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79660 Darunavir Related Compound 04
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79551 Dasatinib Impurity 1
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79553 Dasatinib Impurity 3
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79554 Dasatinib Impurity 4
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79541 Dasatinib Impurity 5
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79542 Dasatinib Impurity 6
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79543 Dasatinib Impurity 7
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79544 Dasatinib Impurity 8
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79549 Dasatinib N-Oxide
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79733 Daunorubicin HCl EP Impurity F (8-Ethyl Daunorubicin)
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C79731 Daunorubicin Impurity C (Mixture of Diastereomers)
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79732 Daunorubicin Impurity E (Mixture of Diastereomers)
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79729 Daunorubicinol (mixture of diastereomers) (Daunorubicin Impurity B)
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87635 De-(L-Asn)-L-Gln Vancomycin B
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87636 De-(N-Methyl-D-Leu)-D-Phenylanlanyl Vancomycin B
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87637 De-Oxy-(2) Vancomycin B
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84878 8-epi-10-Deacety baccatin III
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84882 10-Deacetyl paclitaxel ethyl analogue
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84883 10-Deacetyl paclitaxel propyl analogue
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78092 10-Deacetyl-14-hydroxy baccatin III
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44879 Deacetylcephalothin
Synonyms:
Cefalonium impurity B;
100 mg $290   Add to Cart
500 mg $990   Add to Cart
44880 Deacetylcephalothin lactone
Synonyms:
Cefalonium impurity C;
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5267 7-Deazaguanosine
Synonyms:
2-Amino-7-(ß-D-ribofuranosyl[3,2-d]pyrimidin-4-one;
1 mg $685   Add to Cart
5 mg $935   Add to Cart
79494 2-Debenzoyl-2-pentenoyl docetaxel
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79302 Decabromodiphenyl Oxide Related Compound 1
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79303 Decabromodiphenyl Oxide Related Compound 2
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79304 Decabromodiphenyl Oxide Related Compound 3
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76394 Decarboxylated S-Adenosylmethionine
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79928 Decitabine Deformyl Impurity Formate (Mixture of Diastereomers)
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79929 Decitabine impurity (ring-opening)
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79930 Decitabine Impurity 1 (α-Isomer)
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79899 Decitabine Impurity 10
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79900 Decitabine Impurity 11
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79903 Decitabine Impurity 12
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79904 Decitabine Impurity 13
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79905 Decitabine Impurity 14
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79906 Decitabine Impurity 15
Synonyms:
1,4-Anhydro-2-deoxy-D-erythro-pent-1-enitol; Ribal;
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79907 Decitabine Impurity 16
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79909 Decitabine Impurity 17
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79910 Decitabine Impurity 18
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79911 Decitabine Impurity 19
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79896 Decitabine Impurity 2 (α-Isomer)
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79931 Decitabine Impurity 2 (beta-Isomer)
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79912 Decitabine Impurity 20
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79913 Decitabine Impurity 21
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79914 Decitabine Impurity 22
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79915 Decitabine Impurity 23
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79916 Decitabine Impurity 24
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79917 Decitabine Impurity 25
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79918 Decitabine Impurity 26
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79920 Decitabine Impurity 27
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79921 Decitabine Impurity 28
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79922 Decitabine Impurity 29 (Mixture of a, -Diastereomers)
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79923 Decitabine Impurity 30 (Mixture of a, -Diastereomers)
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79924 Decitabine Impurity 31 (Mixture of a, -Diastereomers)
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79925 Decitabine Impurity 32
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79926 Decitabine Impurity 33
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79892 Decitabine Impurity 4 (Methyl 2-deoxy-beta-D-Ribopyranoside)
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79887 Decitabine Impurity 4 (Methyl-2-deoxy-alfa-D-Ribopyranoside)
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79888 Decitabine impurity 5
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79893 Decitabine Impurity 6 (α-D-Erythro-Pentopyranoside-Methyl-2- Deoxy-bis(4-methylbenzoate))
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79889 Decitabine impurity 6 (beta-D-Erythro-Pentopyranoside-Methyl-2- Deoxy-bis(4-methylbenzoate))
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79890 Decitabine impurity 7
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79891 Decitabine impurity 8
1 mg $390   Add to Cart
79898 Decitabine Impurity 9
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C79897 Decitabine Impurity C
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79901 Decitabine Related Compound A (Mixture of Isomers)
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C79895 Decitabine Related Compound C
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N79919 Decitabine-15N4
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37382 Defatted Powdered Soy
2.5 g $715   Add to Cart
79527 Deferasirox Impurity 3
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79526 Deferasirox Impurity F
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79523 Deferasirox Acyl beta-D-Glucuronide
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79532 Deferasirox Impurity 2
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79528 Deferasirox Impurity 4
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79529 Deferasirox Impurity 5
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79533 Deferasirox impurity G
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79530 Deferasirox Iron Complex
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