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Cleanchem is a trusted provider of premium pharmaceutical reference materials, specializing in Dutasteride and its associated compounds. Our catalog includes pharmacopeial and non-pharmacopeial Dutasteride impurities, metabolites, nitrosamine derivatives (N-NO compounds), and stable isotope-labeled products. These reference standards play a critical role in pharmaceutical R&D, supporting activities such as product formulation, ANDA and DMF submissions, quality assurance, analytical method development, and stability assessments.
All Dutasteride-related substances undergo comprehensive characterization and are delivered with complete Certificates of Analysis and supporting analytical documentation to ensure regulatory adherence. Upon request, we can offer EP/USP traceable standards. Our products are routinely re-evaluated to maintain consistent quality and performance.

Dutasteride

CAT No: CL-DTRD-01 CAS No: 164656-23-9 Mol Wt: 528.5 Mol F: C27H30F6N2O2 Inv Status: Custom Synthesis

Chemical Name: N-[2,5-Bis(trifluoromethyl)phenyl]-3-oxo-4-aza-5?-androst-1-ene-17?-carboxamide ;

Dutasteride EP Impurity A

CAT No: CL-DTRD-02 CAS No: 104239-97-6 Mol Wt: 317.4 Mol F: C19H27NO3 Inv Status: Custom Synthesis

Chemical Name: 3-oxo-4-aza-5?-androst-1-ene-17?-carboxylic acid

Dutasteride EP Impurity B

CAT No: CL-DTRD-03 CAS No: 2512195-98-9 Mol Wt: 344.5 Mol F: C21H32N2O2 Inv Status: Custom Synthesis

Chemical Name: N,N-Dimethyl-3-oxo-4-aza-5?-androst-1-ene-17?-carboxamide ;

Dutasteride EP Impurity C

CAT No: CL-DTRD-04 CAS No: 157307-36-3 Mol Wt: 345.5 Mol F: C21H31NO3 Inv Status: Custom Synthesis

Chemical Name: Ethyl 3-oxo-4-aza-5?-androst-1-ene-17?-carboxylate ;

Dutasteride EP Impurity E

CAT No: CL-DTRD-06 CAS No: 2102935-76-0 Mol Wt: 528.5 Mol F: C27H30F6N2O2 Inv Status: Custom Synthesis

Chemical Name: N-[2,5-Bis(trifluoromethyl)phenyl]-3-oxo-4-aza-5?-androst-1-ene-17?-carboxamide ;

Dutasteride EP Impurity G

CAT No: CL-DTRD-08 CAS No: 1430804-85-5 Mol Wt: 526.5 Mol F: C27H28F6N2O2 Inv Status: Custom Synthesis

Chemical Name: N-[2,5-Bis(trifluoromethyl)phenyl]-3-oxo-4-azaandrost-1,5-diene-17?carboxamide

Dutasteride EP Impurity I

CAT No: CL-DTRD-09 CAS No: 1648593-70-7 Mol Wt: 828 Mol F: C46H55F6N3O4 Inv Status: Custom Synthesis

Chemical Name: (4aR,4bS,6aS,7S,9aS,9bS,11aR)-N-(2,5-Bis(trifluoromethyl)phenyl)-1-((4aR,4bS,6aS,7S,9aS,9bS,11aR)-4a,6a-dimethyl-2-oxo-2,4a,4b,5,6,6a,7,8,9,9a,9b,10,11,11a-tetradecahydro-1H-indeno[5,4-f]quinoline-7-carbonyl)-4a,6a-dimethyl-2-oxo-2,4a,4b,5,6,6a,7,8,9,9a,9b,10,11,11a-tetradecahydro-1H-indeno[5,4-f]quinoline-7-carboxamide

Dutasteride Dihydro Impurity

CAT No: CL-DTRD-11 CAS No: 164656-22-8 Mol Wt: 530.6 Mol F: C27H32F6N2O2 Inv Status: Custom Synthesis

Chemical Name: (5?,17?)-N-[2,5-Bis (trifluoromethyl)phenyl]-3-oxo-4-azaandrostane-17-carboxamide

5b-Dutasteride

CAT No: CL-DTRD-12 CAS No: 957229-52-6 Mol Wt: 528.5 Mol F: C27H30F6N2O2 Inv Status: Custom Synthesis

Chemical Name: (4aR,4bS,6aS,7S,9aS,9bS,11aS)-N-(2,5-bis(trifluoromethyl)phenyl)-4a,6a-dimethyl-2-oxo-2,4a,4b,5,6,6a,7,8,9,9a,9b,10,11,11a-tetradecahydro-1H-indeno[5,4-f]quinoline-7-carboxamide

Desmethyl-6,8,10-triene Dutasteride

CAT No: CL-DTRD-13 CAS No: 952718-75-1 Mol Wt: 508.5 Mol F: C26H22F6N2O2 Inv Status: Custom Synthesis

Chemical Name: (6aS,7S,9aR)-N-(2,5-Bis(trifluoromethyl)phenyl)-6a-methyl-2-oxo-2,5,6,6a,7,8,9,9a-octahydro-1H-indeno[5,4-f]quinoline-7-carboxamide

4'-Hydroxy Dutasteride

CAT No: CL-DTRD-14 CAS No: NA Mol Wt: 544.5 Mol F: C27H30F6N2O3 Inv Status: Custom Synthesis

Chemical Name: (4aR,4bS,6aS,7S,9aS,9bS,11aR)-N-(4-Hydroxy-2,5-bis(trifluoromethyl)phenyl)-4a,6a-dimethyl-2-oxo-2,4a,4b,5,6,6a,7,8,9,9a,9b,10,11,11a-tetradecahydro-1H-indeno[5,4-f]quinoline-7-carboxamide

4-Aza-pregnane-3,20-dione

CAT No: CL-DTRD-15 CAS No: 69660-91-9 Mol Wt: 317.5 Mol F: C20H31NO2 Inv Status: Custom Synthesis

Chemical Name: (4aR,4bS,6aS,7S,9aS,9bS)-7-Acetyl-4a,6a-dimethylhexadecahydro-2H-indeno[5,4-f]quinolin-2-one

6b-Hydroxy Dutasteride

CAT No: CL-DTRD-16 CAS No: NA Mol Wt: 544.5 Mol F: C27H30F6N2O3 Inv Status: Custom Synthesis

Chemical Name: (4aR,4bS,6aS,7S,9aS,9bS,11R,11aS)-N-(2,5-bis(Trifluoromethyl)phenyl)-11-hydroxy-4a,6a-dimethyl-2-oxo-2,4a,4b,5,6,6a,7,8,9,9a,9b,10,11,11a-tetradecahydro-1H-indeno[5,4-f]quinoline-7-carboxamide

Dutasteride EP Impurity D

CAT No: CL-DTRD-17 CAS No: NA Mol Wt: 526.5 Mol F: C27H28F6N2O2 Inv Status: Custom Synthesis

Chemical Name: N-[2,5-Bis(trifluoromethyl)phenyl]-3-oxo-4-azaandrost-1,5-diene-17a-carboxamide

Dutasteride EP Impurity F

CAT No: CL-DTRD-18 CAS No: 1365545-42-1 Mol Wt: 565 Mol F: C27H31CIF6N2O2 Inv Status: Custom Synthesis

Chemical Name: (4S,4aR,4bS,6aS,7S,9aS,9bS,11aR)-N-(2,5-bis(trifluoromethyl)phenyl)-4-chloro-4a,6a-dimethyl-2-oxohexadecahydro-1H-indeno[5,4-f]quinoline-7-carboxamide

Dutasteride EP Impurity H

CAT No: CL-DTRD-19 CAS No: NA Mol Wt: 828 Mol F: C46H55F6N3O4 Inv Status: Custom Synthesis

Chemical Name: (4aR,4bS,6aS,7S,9aS,9bS,11aR)-N-(2,5-Bis(trifluoromethyl)phenyl)-1-((4aR,4bS,6aS,7R,9aS,9bS,11aR)-4a,6a-dimethyl-2-oxo-2,4a,4b,5,6,6a,7,8,9,9a,9b,10,11,11a-tetradecahydro-1H-indeno[5,4-f]quinoline-7-carbonyl)-4a,6a-dimethyl-2-oxo-2,4a,4b,5,6,6a,7,8,9,9a,9b,10,11,11a-tetradecahydro-1H-indeno[5,4-f]quinoline-7-carboxamide

Dutasteride Impurity 1

CAT No: CL-DTRD-20 CAS No: NA Mol Wt: 459.4 Mol F: C20H30INO3 Inv Status: Custom Synthesis

Chemical Name: (4aR,4bS,6aS,9aS,9bS,11aR)-3-Iodo-4a,6a,9b-trimethyl-2-oxohexadecahydro-1H-indeno[5,4-f]quinoline-7-carboxylic acid

Dutasteride Impurity 2

CAT No: CL-DTRD-21 CAS No: 1430804-94-6 Mol Wt: 319.4 Mol F: C19H29NO3 Inv Status: Custom Synthesis

Chemical Name: (4aR,4bS,6aS,7S,9aS,9bS,11aS)-4a,6a-dimethyl-2-oxohexadecahydro-1H-indeno[5,4-f]quinoline-7-carboxylic acid

Dutasteride Impurity 3

CAT No: CL-DTRD-22 CAS No: 328-93-8 Mol Wt: 229.1 Mol F: C8H5F6N Inv Status: Custom Synthesis

Chemical Name: 2,5-Bis(trifluoromethyl)aniline

Dutasteride Impurity 4

CAT No: CL-DTRD-23 CAS No: 103335-54-2 Mol Wt: 317.4 Mol F: C19H27NO3 Inv Status: Custom Synthesis

Chemical Name: (4aR,4bS,6aS,7S,9aS,9bS)-4a,6a-Dimethyl-2-oxo-2,3,4,4a,4b,5,6,6a,7,8,9,9a,9b,10-tetradecahydro-1H-indeno[5,4-f]quinoline-7-carboxylic acid

Dutasteride Impurity 5

CAT No: CL-DTRD-24 CAS No: 164656-21-7 Mol Wt: 528.5 Mol F: C27H30F6N2O2 Inv Status: Custom Synthesis

Chemical Name: (4aR,4bS,6aS,7S,9aS,9bS)-N-(2,5-Bis(trifluoromethyl)phenyl)-4a,6a-dimethyl-2-oxo-2,3,4,4a,4b,5,6,6a,7,8,9,9a,9b,10-tetradecahydro-1H-indeno[5,4-f]quinoline-7-carboxamide

Dutasteride Impurity 6

CAT No: CL-DTRD-25 CAS No: 164656-20-6 Mol Wt: 547.5 Mol F: C27H31F6NO4 Inv Status: Custom Synthesis

Chemical Name: 3-((3S,3aS,5aS,6R,9aS,9bS)-3-((2,5-Bis(trifluoromethyl)phenyl)carbamoyl)-3a,6-dimethyl-7-oxododecahydro-1H-cyclopenta[a]naphthalen-6-yl)propanoic acid

Dutasteride Impurity 7

CAT No: CL-DTRD-26 CAS No: 116285-36-0 Mol Wt: 388.6 Mol F: C23H36N2O3 Inv Status: Custom Synthesis

Chemical Name: (4aR,4bS,6aS,7S,9aS,9bS,11aR)-N-(1-Hydroxy-2-methylpropan-2-yl)-4a,6a-dimethyl-2-oxo-2,4a,4b,5,6,6a,7,8,9,9a,9b,10,11,11a-tetradecahydro-1H-indeno[5,4-f]quinoline-7-carboxamide

Dutasteride Impurity 10

CAT No: CL-DTRD-27 CAS No: 2681-55-2 Mol Wt: 330.5 Mol F: C21H30O3 Inv Status: Custom Synthesis

Chemical Name: Methyl (8S,9S,10R,13S,14S,17S)-10,13-dimethyl-3-oxo-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene-17-carboxylate

Dutasteride Impurity 11

CAT No: CL-DTRD-28 CAS No: NA Mol Wt: 315.4 Mol F: C19H25NO3 Inv Status: Custom Synthesis

Chemical Name: (4aR,6aS,7S)-4a,6a-dimethyl-2-oxo-2,3,4,4a,4b,5,6,6a,7,8,9,9a-dodecahydro-1H-indeno[5,4-f]quinoline-7-carboxylic acid

Dutasteride Impurity 12

CAT No: CL-DTRD-29 CAS No: NA Mol Wt: 333.4 Mol F: C19H27NO4 Inv Status: Custom Synthesis

Chemical Name: (4aR,6aS,7S)-11-hydroxy-4a,6a-dimethyl-2-oxo-2,3,4,4a,4b,5,6,6a,7,8,9,9a,9b,10-tetradecahydro-1H-indeno[5,4-f]quinoline-7-carboxylic acid

Dutasteride Impurity 13

CAT No: CL-DTRD-30 CAS No: NA Mol Wt: 529.5 Mol F: C27H29F6NO3 Inv Status: Custom Synthesis

Chemical Name: (4aR,4bS,6aS,7S,9aS,9bS,11aS)-1-(2,5-bis(trifluoromethyl)phenyl)-4a,6a-dimethyl-2-oxo-2,4a,4b,5,6,6a,7,8,9,9a,9b,10,11,11a-tetradecahydro-1H-indeno[5,4-f]quinoline-7-carboxylic acid

Dutasteride Impurity 8

CAT No: CL-DTRD-31 CAS No: 76763-14-9 Mol Wt: 336.4 Mol F: C19H28O5 Inv Status: Custom Synthesis

Chemical Name: (3S,3aS,5aS,6R,9aS,9bS)-6-(2-carboxyethyl)-3a,6-dimethyl-7-oxododecahydro-1H-cyclopenta[a]naphthalene-3-carboxylic acid

Dutasteride Impurity 9

CAT No: CL-DTRD-32 CAS No: 302-97-6 Mol Wt: 316.4 Mol F: C20H28O3 Inv Status: Custom Synthesis

Chemical Name: (8S,9S,10R,13S,14S,17S)-10,13-dimethyl-3-oxo-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene-17-carboxylic acid

Dutasteride 13C6

CAT No: CL-DTRD-33 CAS No: 1217685-27-2 Mol Wt: 534.5 Mol F: C2113C6H30F6N2O2 Inv Status: Custom Synthesis

Chemical Name: (4aR,4bS,6aS,7S,9aS,9bS,11aR)-N-(2,5-bis(trifluoromethyl)phenyl-1,2,3,4,5,6-13C6)-4a,6a-dimethyl-2-oxo-2,4a,4b,5,6,6a,7,8,9,9a,9b,10,11,11a-tetradecahydro-1H-indeno[5,4-f]quinoline-7-carboxamide

Dutasteride D3

CAT No: CL-DTRD-34 CAS No: 1131341-46-2 Mol Wt: 531.6 Mol F: C27H27D3F6N2O2 Inv Status: Custom Synthesis

Chemical Name: (4aR,4bS,6aS,7S,9aS,9bS,11aR)-N-(2,5-bis(trifluoromethyl)phenyl-3,4,6-d3)-4a,6a-dimethyl-2-oxo-2,4a,4b,5,6,6a,7,8,9,9a,9b,10,11,11a-tetradecahydro-1H-indeno[5,4-f]quinoline-7-carboxamide

1-Naphthylamine

CAT No: CL-DTRD-35 CAS No: 134-32-7 Mol Wt: 143.2 Mol F: C10H9N Inv Status: Custom Synthesis

Chemical Name: 1-Aminonaphthalene

Type:Impurity Reference Standard

Total Products: 32

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