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Pharmaceutical Reference Standards / Impurity Standards

Diltiazem Hydrochloride

Diltiazem Hydrochloride

CAT. No.D450000
CAS. No.33286-22-5
Mol. F.C22H27ClN2O4S
Mol. W.450.98 g/mol
Stock Status:Instock

Diltiazem

Diltiazem

CAT. No.D450000A
CAS. No.42399-41-7
Mol. F.C22H26N2O4S
Mol. W.414.52 g/mol
Stock Status:Instock

Diltiazem Hydrochloride

Diltiazem Hydrochloride

CAT. No.D450000B
CAS. No.33286-22-5
Mol. F.C22H26N2O4S.HCl
Mol. W.450.98 g/mol
Stock Status:Please Enquire

Diltiazem Impurity E

Diltiazem Impurity E

CAT. No.D450001
CAS. No.42399-49-5
Mol. F.C16H15NO3S
Mol. W.301.36g/mol
Stock Status:Instock

Diltiazem EP Impurity F

Diltiazem EP Impurity F

CAT. No.D450002
CAS. No.42399-40-6
Mol. F.C20H24N2O3S
Mol. W.372.50 g/mol
Stock Status:Custom Synthesis

Desacetyl Diltiazem Hydrochloride

Desacetyl Diltiazem Hydrochloride

CAT. No.D450002A
CAS. No.75472-91-2
Mol. F.C20H25ClN2O3S
Mol. W.408.94 g/mol
Stock Status:Instock

Desacetyl Diltiazem Hydrochloride

Desacetyl Diltiazem Hydrochloride

CAT. No.D450002C
CAS. No.23515-45-9
Mol. F.C20H24N2O3S.HCl
Mol. W.408.94 g/mol
Stock Status:Instock

Desacetyl O- dimethyl diltiazem

Desacetyl O- dimethyl diltiazem

CAT. No.D450004
CAS. No.NA
Mol. F.C18H17NO4S
Mol. W.343.40 g/mol
Stock Status:Custom Synthesis

Diltiazem EP Impurity D

Diltiazem EP Impurity D

CAT. No.D450005
CAS. No.130606-60-9
Mol. F.C21H25ClN2O4S
Mol. W.436.12236
Stock Status:Instock

Diltiazem EP Impurity A

Diltiazem EP Impurity A

CAT. No.D450006
CAS. No.111188-71-7
Mol. F.C22H26N2O4S
Mol. W.414.52 g/mol
Stock Status:Custom Synthesis

Diltiazem Imp C

Diltiazem Imp C

CAT. No.D450007
CAS. No.142926-07-6
Mol. F.C21H25ClN2O4S
Mol. W.436.95 g/mol
Stock Status:Limited Stock

Diltiazem Related Compund C

Diltiazem Related Compund C

CAT. No.D450007A
CAS. No.142926-07-6
Mol. F.C21H24N2O4S
Mol. W.400.49 g/mol
Stock Status:Instock

Diltiazem EP Impurity G

Diltiazem EP Impurity G

CAT. No.D450008
CAS. No.81353-09-5
Mol. F.C19H22N2O3S
Mol. W.358.45 g/mol
Stock Status:Instock

N-Desmethyl O-Desacetyl Diltiazem Hydrochloride

N-Desmethyl O-Desacetyl Diltiazem Hydrochloride

CAT. No.D450008A
CAS. No.84903-78-6
Mol. F.C19H22N2O3S. HCl
Mol. W.394.92 g/mol
Stock Status:Instock

N,N-Didesmethyl Diltiazem Hydrochloride

N,N-Didesmethyl Diltiazem Hydrochloride

CAT. No.D450009
CAS. No.116050-35-2
Mol. F.C20H22N2O4S.HCl
Mol. W.422.11 g/mol
Stock Status:Custom Synthesis

N,N-Didesmethyl Diltiazem

N,N-Didesmethyl Diltiazem

CAT. No.D450009A
CAS. No.NA
Mol. F.C20H22N2O4S
Mol. W.386.46 g/mol
Stock Status:Custom Synthesis

Diltiazem EP Impurity B

Diltiazem EP Impurity B

CAT. No.D450010
CAS. No.87447-47-0
Mol. F.C18H17NO4S
Mol. W.343.40 g/mol
Stock Status:Instock

Diltiazem EP Impurity H

Diltiazem EP Impurity H

CAT. No.D450015
CAS. No.115992-91-1
Mol. F.C17H18N2O3S
Mol. W.330.40 g/mol
Stock Status:Instock

Diltiazem Impurity H (RC H)

Diltiazem Impurity H (RC H)

CAT. No.D450015B
CAS. No.115992-91-1
Mol. F.CHNOS
Mol. W.330.4 g/mol
Stock Status:Limited Stock

Desacetyl Diltiazem

Desacetyl Diltiazem

CAT. No.D450016
CAS. No.42399-40-6
Mol. F.C20H24N2O3S
Mol. W.372.50 g/mol
Stock Status:Custom Synthesis

L-Diltiazem

L-Diltiazem

CAT. No.D450018
CAS. No.1217650-51-5
Mol. F.C22H26N2O4S
Mol. W.414.52 g/mol
Stock Status:Custom Synthesis

Diltiazem EP Impurity A Hydrochloride

Diltiazem EP Impurity A Hydrochloride

CAT. No.D450019
CAS. No.103532-27-0
Mol. F.C22H27ClN2O4S
Mol. W.450.98 g/mol
Stock Status:Custom Synthesis

Diltiazem Sulfoxide

Diltiazem Sulfoxide

CAT. No.D450021
CAS. No.370094-12-5
Mol. F.C22H26N2O5S
Mol. W.430.52 g/mol
Stock Status:Instock

Diltiazem N-Oxide

Diltiazem N-Oxide

CAT. No.D450022
CAS. No.142843-04-7
Mol. F.C22H26N2O5S
Mol. W.430.52 g/mol
Stock Status:Instock

Diltiazem N-Oxide O-Desacetyl Impurity

Diltiazem N-Oxide O-Desacetyl Impurity

CAT. No.D450023
CAS. No.122619-90-3
Mol. F.CHNOS
Mol. W.388.48 g/mol
Stock Status:Instock

Desacetyl N,O-didesmethyl Diltiazem

Desacetyl N,O-didesmethyl Diltiazem

CAT. No.D450024
CAS. No.86408-42-6
Mol. F.C18H20N2O3S
Mol. W.344.43 g/mol
Stock Status:Instock

DTZ-II Diltiazem impurity

DTZ-II Diltiazem impurity

CAT. No.D450026
CAS. No.NA
Mol. F.C20H19NO4S
Mol. W.369.40 g/mol
Stock Status:Custom Synthesis

Diltiazem EP Impurity G Hydrochloride

Diltiazem EP Impurity G Hydrochloride

CAT. No.D450027
CAS. No.NA
Mol. F.C19H22N2O3S.HCl
Mol. W.394.92 g/mol
Stock Status:Instock

Diltiazem Sulphone

Diltiazem Sulphone

CAT. No.D450029
CAS. No.NA
Mol. F.C22H26N2O6S
Mol. W.446.52 g/mol
Stock Status:Instock

Diltiazem Sulphoxide-N-oxide

Diltiazem Sulphoxide-N-oxide

CAT. No.D450030
CAS. No.NA
Mol. F.C22H26N2O6S
Mol. W.446.52 g/mol
Stock Status:Instock

Diltiazem Sulphone-N-oxide

Diltiazem Sulphone-N-oxide

CAT. No.D450031
CAS. No.NA
Mol. F.C22H26N2O7S
Mol. W.462.52 g/mol
Stock Status:Instock

Diltiazem Monohydrolysed Impurity

Diltiazem Monohydrolysed Impurity

CAT. No.D450032
CAS. No.NA
Mol. F.C22H28N2O5S
Mol. W.432.53 g/mol
Stock Status:Custom Synthesis

Diltiazem Dihydrolysed Impurity

Diltiazem Dihydrolysed Impurity

CAT. No.D450033
CAS. No.NA
Mol. F.C20H26N2O4S
Mol. W.390.50 g/mol
Stock Status:Custom Synthesis

(2S,3S)-2-(4-methoxyphenyl)-4-oxo-5-vinyl-2,3,4,5-tetrahydrobenzo[b][1,4]thiazepin-3-yl acetate

(2S,3S)-2-(4-methoxyphenyl)-4-oxo-5-vinyl-2,3,4,5-tetrahydrobenzo[b][1,4]thiazepin-3-yl acetate

CAT. No.D450034
CAS. No.NA
Mol. F.C20H19NO4S
Mol. W.369.43 g/mol
Stock Status:Custom Synthesis

Diltiazem DTZ-I Impurity

Diltiazem DTZ-I Impurity

CAT. No.D450035
CAS. No.30842-48-9
Mol. F.C19H19NO4S
Mol. W.357.42 g/mol
Stock Status:Custom Synthesis

3-hydroxy-2-(4-methoxy-3-methylphenyl)-2,3-dihydrobenzo[b][1,4]thiazepin-4(5H)-one

3-hydroxy-2-(4-methoxy-3-methylphenyl)-2,3-dihydrobenzo[b][1,4]thiazepin-4(5H)-one

CAT. No.D450038
CAS. No.NA
Mol. F.C17H17NO3S
Mol. W.315.39 g/mol
Stock Status:Custom Synthesis

N-Acetyl Diltiazem

N-Acetyl Diltiazem

CAT. No.D450039
CAS. No.NA
Mol. F.C23H26N2O5S
Mol. W.442.53 g/mol
Stock Status:Instock

(2R-trans)-Diltiazem Hydrochloride

(2R-trans)-Diltiazem Hydrochloride

CAT. No.D450040
CAS. No.NA
Mol. F.C22H27N2O4SCl
Mol. W.450.98 g/mol
Stock Status:Custom Synthesis

N-desmethyl N-nitroso Diltiazem

N-desmethyl N-nitroso Diltiazem

CAT. No.D450043
CAS. No.NA
Mol. F.C21H23N3O5S
Mol. W.429.49 g/mol
Stock Status:Custom Synthesis

N-Nitroso Diltiazem EP Impurity G

N-Nitroso Diltiazem EP Impurity G

CAT. No.D450044
CAS. No.NA
Mol. F.C19H21N3O4S
Mol. W.387.45 g/mol
Stock Status:Custom Synthesis

N-nitroso-Chloroethyl methylamine hydrochloride

N-nitroso-Chloroethyl methylamine hydrochloride

CAT. No.D450045
CAS. No.NA
Mol. F.C3H8Cl2N2O
Mol. W.159.01 g/mol
Stock Status:Custom Synthesis

(2S,3S)-3-acetyloxy-2-(4-methoxyphenyl)-5-[2-(methylamino)ethyl]-2,3-dihydro-1,5-benzothiazepin-4(5H)-one.

(2S,3S)-3-acetyloxy-2-(4-methoxyphenyl)-5-[2-(methylamino)ethyl]-2,3-dihydro-1,5-benzothiazepin-4(5H)-one.

CAT. No.D450046
CAS. No.NA
Mol. F.C21H24N2O4S
Mol. W.400.49 g/mol
Stock Status:Custom Synthesis

Diltiazem Impurity 4

Diltiazem Impurity 4

CAT. No.D450047
CAS. No.42399-51-9
Mol. F.C16H15NO3S
Mol. W.301.36 g/mol
Stock Status:Custom Synthesis

Diltiazem-2-Epimer O-Desacetyl N-Desdimethylaminoethyl Impurity

Diltiazem-2-Epimer O-Desacetyl N-Desdimethylaminoethyl Impurity

CAT. No.D450048
CAS. No.132830-17-2
Mol. F.C16H15NO3S
Mol. W.301.36 g/mol
Stock Status:Custom Synthesis

L-cis-Diltiazem Hydrochloride

L-cis-Diltiazem Hydrochloride

CAT. No.D450049
CAS. No.42399-54-2
Mol. F.C22H27ClN2O4S
Mol. W.450.98 g/mol
Stock Status:Custom Synthesis

Deacetyl-O-demethyl diltiazem

Deacetyl-O-demethyl diltiazem

CAT. No.D450050
CAS. No.84903-82-2
Mol. F.C19H22N2O3S
Mol. W.358.45 g/mol
Stock Status:Custom Synthesis

Diltiazem Formamide Impurity

Diltiazem Formamide Impurity

CAT. No.D450051
CAS. No.NA
Mol. F.C22H24N2O5S
Mol. W.428.50 g/mol
Stock Status:Custom Synthesis

Isotope Labelled Compounds

Diltiazem-D3 Hydrochloride

Diltiazem-D3 Hydrochloride

CAT. No.D450003
CAS. No.1217860-13-3
Mol. F.C22H24D3ClN2O4S
Mol. W.454.00 g/mol
Stock Status:Instock

Diltiazem-D4 Hydrochloride

Diltiazem-D4 Hydrochloride

CAT. No.D450011
CAS. No.1217769-52-2
Mol. F.C22H22D4N2O4S.HCl
Mol. W.455.00 g/mol
Stock Status:Please Enquire

Desacetyl Diltiazem D4 Hydrochloride

Desacetyl Diltiazem D4 Hydrochloride

CAT. No.D450013
CAS. No.NA
Mol. F.C20H21D4ClN2O3S
Mol. W.412.97 g/mol
Stock Status:Please Enquire

N-Desmethyl Diltiazem D4 Hydrochloride

N-Desmethyl Diltiazem D4 Hydrochloride

CAT. No.D450017
CAS. No.Freebase115992-91-1
Mol. F.C21H20D4N2O4S.HCl
Mol. W.440.98 g/mol
Stock Status:Please Enquire

Diltiazem D6

Diltiazem D6

CAT. No.D450020
CAS. No.1242184-41-3
Mol. F.C22H20D6N2O4S
Mol. W.420.55 g/mol
Stock Status:Please Enquire

Desacetyl Diltiazem D4

Desacetyl Diltiazem D4

CAT. No.D450036
CAS. No.112259-40-2
Mol. F.C20H20D4N2O3S
Mol. W.376.51 g/mol
Stock Status:Please Enquire

Diltiazem Hydrochloride Salt -D2

Diltiazem Hydrochloride Salt -D2

CAT. No.D450041
CAS. No.NA
Mol. F.C22H23D4ClN2O4S
Mol. W.455.00 g/mol
Stock Status:Please Enquire

Diltiazem-D3 Hydrochloride

Diltiazem-D3 Hydrochloride

CAT. No.D450042
CAS. No.1217623-80-7
Mol. F.C22H24D3ClN2O4S
Mol. W.454.00 g/mol
Stock Status:Please Enquire

N-Desmethyl Diltiazem-D3 Hydrochloride

N-Desmethyl Diltiazem-D3 Hydrochloride

CAT. No.D450052
CAS. No.NA
Mol. F.C22H21D5N2O4S.HCl
Mol. W.439.97 g/mol
Stock Status:Please Enquire

Desacetyl Diltiazem D3

Desacetyl Diltiazem D3

CAT. No.D450053
CAS. No.1246815-32-6
Mol. F.C20H21D3N2O3S
Mol. W.375.50 g/mol
Stock Status:Please Enquire