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
CD80308 Erythromycylamine-13C-D3
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D76108 Esomeprazole-d3 99 atom % D
1 mg $550   Add to Cart
5 mg $1,750   Add to Cart
D80514 Esterastin-d3
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D80182 Estradiol-d5
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D80155 Estradiol-d3 Glucuronide
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D80410 Estriol 16-α-(beta-D-Glucuronide)-d5
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D80419 Estriol 3-(beta-D-Glucuronide)-d5
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D80418 Estriol 3-Sulfate-d5
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D80411 Estriol-3-Sulfate-16-α-(beta-D-Glucuronide)-d5
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D32680 (2S,2’S)-Ethambutol-d4 99%D
10 mg $885   Add to Cart
108550 Ethanolamine-15N
250 mg $990   Add to Cart
D74251 Ethinyl Estradiol-d5
10 mg $4,490   Add to Cart
D74252 Ethinyl Estradiol-3-Sulfate-d5 Sodium Salt
10 mg $5,490   Add to Cart
25 mg $10,490   Add to Cart
D75967 Ethosuximide-d5
5 mg $790   Add to Cart
D85763 Ethoxy Resorufin-d5
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D78964 7-Ethyl-10-hydroxy camptothecin-d3
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D78965 7-Ethyl-10-hydroxy camptothecin-d5
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D88200 DL-Ethyl-panthenol-d5
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O108615 Ethylene Carbonate-17O
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C100201 Ethylenediaminetetraacetic Acid-13C4
Synonyms:
EDTA-13C4;
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CD80436 Etifoxine-13C-d3
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D74253 Etiracetam-d6
10 mg $2,000   Add to Cart
25 mg $3,500   Add to Cart
79973 Etodolac Impurity L
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D79969 (S)-Etodolac-d3
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D79970 (R)-Etodolac-d3
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D110341 Etofylline-d6
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CD80531 Etoposide-13C, d3
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D10193 Everolimus-d4
Synonyms:
42-O-(2-Hydroxyethyl-d4)rapamycin; RAD-001-d4; Certican- d4;
98%D
1 mg $390   Add to Cart
5 mg $1,190   Add to Cart
D75955 Exemestane-d3
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D80282 Exemestane-d5
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C10199 Ezetimibe-13C6
Synonyms:
(3R,4S)-1-(4-Fluorophenyl)-3-[(3S)-3-(4-fluorophenyl)-3- hydroxypropyl]-4-(4-hydroxyphenyl)-2-azetidinone-13C6; Sch-58235-13C6;
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C40429 Farnesyl pyrophosphate triammonium salt-13C3
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80713 Faropenem Impurity 10
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80714 Faropenem Impurity 11
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80715 Faropenem Impurity 12
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80716 Faropenem Impurity 13
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80717 Faropenem Impurity 14
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80705 Faropenem Impurity 3
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80706 Faropenem Impurity 4 Sodium Salt
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80707 Faropenem Impurity 5
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80708 Faropenem Impurity 6
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80709 Faropenem Impurity 7
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80711 Faropenem Impurity 8(4-AA Enantiomer)
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80712 Faropenem Impurity 9
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80696 Faropenem Impurity Sodium Salt
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80697 Faropenem Related Compound 1
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80698 Faropenem Related Compound 2
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80699 Faropenem Related Compound 3
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80700 Faropenem Related Compound 4
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80710 Faropenem Sodium Salt
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81157 Fasudil Dimer
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81161 Fasudil Impurity 1
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81159 Fasudil Impurity 2 (Isoquinoline-8-sulfonic acid)
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81158 Fasudil Pyridine N-Oxide TFA Salt
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81038 Febuxostat Impurity 1
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81046 Febuxostat Impurity 10
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81048 Febuxostat Impurity 11
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81049 Febuxostat Impurity 12
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81050 Febuxostat Impurity 13
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81051 Febuxostat Impurity 14
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81052 Febuxostat Impurity 15
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81053 Febuxostat Impurity 16
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81054 Febuxostat Impurity 17
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81055 Febuxostat Impurity 18
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81056 Febuxostat Impurity 19
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81042 Febuxostat Impurity 6
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81068 Felbamate Dimer Impurity
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D74254 Felbamate-d1
100 mg $1,600   Add to Cart
C80854 Felodipine Impurity C
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80851 Felodipine Metabolite (5-carboxy-6-hydroxymethyl-dehydro Felodipine)
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80852 Felodipine Metabolite Lactone
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D14279 Felodipine-d5 98%:d5
5 mg $650   Add to Cart
CD75985 Felodipine-13C4-d3
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C81112 Felypressin Impurity C
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D81113 Felypressin Impurity D
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81114 Felypressin Impurity E
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81115 Felypressin Impurity F
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80602 Fenofibrate Acid Dimer Impurity
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80594 Fenofibrate Impurity 1
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80595 Fenofibrate Impurity 2
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80596 Fenofibrate Impurity 3
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80597 Fenofibrate Impurity 4
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D80600 Fenofibrate impurity D
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80599 Fenofibrate Impurity G
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D14274 Fenofibric acid-d6 98%:d6
25 mg $2,000   Add to Cart
80598 Fenofibric Acyl Glucuronide
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81034 Fenoprofen Calcium Salt
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D80751 Fenoprop-D3 ( 2-(2,4,5-Trichlorophenoxy)propionic acid-D3)
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75993 Fenoterol EP Impurity A
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81079 Fenoterol HBr Impurity B
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C81080 Fenoterol HBr Impurity C
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D80791 Fenprotalene-d5
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D75970 Fenretinide-d4
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D75971 Fenretinide-d4 Glucuronide
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D81155 Fenticonazole Impurity D
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81156 Fenticonazole Impurity E
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81022 Fesoterodine Impurity A
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81023 Fesoterodine Impurity B
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81018 Fesoterodine Impurity N
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81025 Fesoterodine Related Impurity 1
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81017 Fesoterodine Related Impurity 10
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81009 Fesoterodine Related Impurity 2
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81010 Fesoterodine Related Impurity 3
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81011 Fesoterodine Related Impurity 4
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81012 Fesoterodine Related Impurity 5
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81013 Fesoterodine Related Impurity 6
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81014 Fesoterodine Related Impurity 7 HCl
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81016 Fesoterodine Related Impurity 9
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D81019 (R)-Fesoterodine-d7 fumarate
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D81021 Fesoterodine-d7 hydrochloride
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80607 Fexofenadine Decarboxylated Degradation Product
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D80609 Fexofenadine impurity D
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80608 Fexofenadine Impurity G
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80603 Fexofenadine impurity L
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80604 Fexofenadine Methyl Ester
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80605 Fexofenadine Related Compound A
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80665 Fidaxomicin Metabolite OP-1118
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81100 Fimasartan Impurity 1 (Mixture of J and K)
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81101 Fimasartan Impurity 2
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D75995 Fimasartan-d6
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80613 Finasteride Carboxylic Acid
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80617 Finasteride Impurity
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80614 Finasteride Impurity 1
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C80618 Finasteride Impurity C
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C80619 Finasteride Related Compound C
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80612 Finasteride Triene Impurity
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80969 Fingolimod Heptyl Impurity
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80987 Fingolimod Impurity 1
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80978 Fingolimod Impurity 10
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80979 Fingolimod Impurity 11
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80981 Fingolimod Impurity 12
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80982 Fingolimod Impurity 13
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80983 Fingolimod Impurity 14
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80984 Fingolimod Impurity 15
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80985 Fingolimod Impurity 16
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80989 Fingolimod Impurity 3
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80977 Fingolimod Impurity 9
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80990 Fingolimod Impurity A HCl
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C80991 Fingolimod impurity C
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80986 Fingolimod Phosphate HCl
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D75992 Fingolimod Phosphate-d4 HCl
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80651 Fipronil Impurity 1
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C81036 Flecainide Impurity C
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80830 Fleroxacin Impurity A
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80831 Fleroxacin Impurity B
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C80832 Fleroxacin Impurity C
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80763 Flomoxef Impurity 1
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80764 Flomoxef Impurity 2
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80765 Flomoxef Impurity 3
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80766 Flomoxef Impurity 4
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