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4-tert-Butylbenzenesulfonamide

API : Bosentan

CAS NO : 6292-59-7

IMPURUTY NAME : Bosentan USP Related Compound E

4-tert-Butylthiobenzamide

CAS NO : 57774-77-3

4-Tolylboronic Acid

CAS NO : 5720-05-8.

4,4-Diethoxy-N,N-Dimethyl-1-Butanamine

API : Eletriptan HBr

CAS NO : 1116-77-4

4,4-Dimethyl Dihydro-2h-Pyran-2,6(3h)-Dione

API : Gepirone

CAS NO : 4160-82-1

4,4-Dimethyl-3,5,8-Trioxa-Bicyclo[5.1.0]Octane

API : Gadabutrol

CAS NO : 57280-22-5

4,4′-(((Carbonylbis(azanediyl))bis(3-chloro-4,1-phenylene))bis(oxy))bis(7-methoxyquinoline-6-carboxamide)

API : Lenvatinib

CAS NO : 2143930-75-8

IMPURUTY NAME : Lenvatinib Impurity 18

4,4′-(((piperazine-1,4-dicarbonyl)bis(4-fluoro-3,1-phenylene))bis(methylene))bis(phthalazin-1(2H)-one)

API : Olaparib

CAS NO : 2250242-62-5

IMPURUTY NAME : Olaparib Dimer Impurity

4,4′-((5-(((cyclopentyloxy)carbonyl)amino)-1-methyl-1H-indole-2,3-diyl)bis(methylene))bis(3-methoxybenzoic acid)

API : Zafirlukast

CAS NO : NA

IMPURUTY NAME : ZAF-2 Impurity 2 (Zafirlukast) / Zafirlukast ZAF-2 Impurity 2

4,4′-((5-Bromo-2-((4-cyanophenyl)amino)pyrimidine-4,6-diyl)bis(oxy))bis(3,5-dimethylbenzonitrile)

API : Etravirine

CAS NO : 1704730-70-0

IMPURUTY NAME : Etravirine Impurity 6 / Etravirine 6-Dimer Impurity

4,4′-(Ethane-1,1-diyl)bis(3-methyl-1-phenyl-1H-pyrazol-5(4H)-one)

API : Edaravone

CAS NO : 82772-85-8

IMPURUTY NAME : Edaravone Dimer Impurity

4,4′-Bis(a-chloroacetyl)biphenyl

API : Daclatasvir

CAS NO : 24860-53-5

4,4’-(methylene)bis-benzonitrile

API : Letrozole

CAS NO : 10466-37-2

4,4’-Bis(2-Bromoacetyl)Biphenyl

API : Declatasvir

CAS NO : 4072-67-7

4,4’-Diacetylbiphenyl

API : Declatasvir

CAS NO : 787-69-9

4,5-bis (2-methoxy ethoxy)-2-nitro benzonitrile

API : Erlotinib

CAS NO : 236750-65-5