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COA COO

Finasteride EP Impurity B (Delta-1-Aza Ester)

Impurity

CAS Number

103335-41-7

Molecular Formula

C20H29NO3

Product format

Neat

Molecular Weight

331.46

Storage

+5°C

Shipping

Room Temperature

API Family

Dutasteride and Finasteride

Synonyms

Methyl 3-Oxo-4-aza-5alpha-androst-1-ene-17beta-carboxylate, Finasteride Imp. B (EP), Delta-1-Aza Ester of Finasteride, 1H-Indeno[5, 4-f]quinoline-7-carboxylic acid, 2, 4a, 4b, 5, 6, 6a, 7, 8, 9, 9a, 9b, 10, 11, 11a-tetradecahydro-4a, 6a-dimethyl-2-oxo-, methyl ester, (4aR, 4bS, 6aS, 7S, 9aS, 9bS, 11aR)-, 4-Azaandrost-1-ene-17-carboxylic acid, 3-oxo-, methyl ester, (5alpha, 17beta)-, 17beta-(Methoxycarbonyl)-4-aza-5alpha-androst-1-en-3-one, 1H-Indeno[5, 4-f]quinoline-7-carboxylic acid, 1, 4a, 4b, 5, 6, 6a, 7, 8, 9, 9a, 9b, 10, 11, 11a-tetradecahydro-4a, 6a-dimethyl-2-oxo-, methyl ester, [4aR-(4aalpha, 4bbeta, 6aalpha, 7alpha, 9abeta, 9balpha, 11abeta)]-, 3-Oxo-4-aza-5alpha-androst-1-en-17beta-carboxylic acid methyl ester, Methyl 3-oxo-4-aza-5alpha-androst-1-ene-17beta-carboxylate and Finasteride Impurity B

Smiles

COC(=O)[C@H]1CC[C@H]2[C@@H]3CC[C@H]4NC(=O)C=C[C@]4(C)[C@H]3CC[C@]12C

Iupac Name

methyl (1S, 3aS, 3bS, 5aR, 9aR, 9bS, 11aS)-9a, 11a-dimethyl-7-oxo-1, 2, 3, 3a, 3b, 4, 5, 5a, 6, 9b, 10, 11-dodecahydroindeno[5 and 4-f]quinoline-1-carboxylate

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COA COO

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Product Type

Custom
Synthesis

We offer tailor-made synthesis services of up to gram-quantities of materials for a wide range of pharmaceutical customers. The customer can order a specific molecule that is only synthesized on your request on the scale, with the purity and with the specification or methods you require.

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