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Promethazine sulfoxide

CAS No.
7640-51-9
Chemical Name:
Promethazine sulfoxide
Synonyms
Romergan Sulfoxide;Promethazine 5-Oxide;Promethazine sulfoxide; Promethazine 5-Sulfoxide;ProMethazine EP IMpurity D;Promethazine sulphoxide in methanol;Epiprazine sulfoxide (EP Impurity D);Promethazine Hydrochloride Impurity D;Promethazine Impurity 4(EP Impurity D);Promethazine Hydrochloride EP Impurity D
CBNumber:
CB6343901
Molecular Formula:
C17H20N2OS
Molecular Weight:
300.42
MDL Number:
MFCD08063694
MOL File:
7640-51-9.mol
MSDS File:
SDS
TDS File:
TDS
Last updated:2026-09-12 18:54:13

Promethazine sulfoxide Properties

Boiling point 461.6±34.0 °C(Predicted)
Density 1.27±0.1 g/cm3(Predicted)
storage temp. Sealed in dry,2-8°C
solubility Chloroform, Methanol (Slightly)
pka 8.90±0.50(Predicted)
form Solid
color Light Purple to Purple
Major Application pharmaceutical (small molecule)
InChI 1S/C17H20N2OS/c1-13(18(2)3)12-19-14-8-4-6-10-16(14)21(20)17-11-7-5-9-15(17)19/h4-11,13H,12H2,1-3H3
InChIKey OWTCLFIFAFHQIX-UHFFFAOYSA-N
SMILES [S]1(=O)c2c(cccc2)N(c3c1cccc3)CC(N(C)C)C
FDA UNII G44A4PX06U
UNSPSC Code 41116107
NACRES NA.24

SAFETY

Risk and Safety Statements

WGK Germany  WGK 3
Storage Class 11 - Combustible Solids

Promethazine sulfoxide price More Price(36)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich Y0000769 Promethazine impurity D European Pharmacopoeia (EP) Reference Standard 7640-51-9 35 mg $167 2026-04-30 Buy
Sigma-Aldrich BP505 Promethazine sulfoxide British Pharmacopoeia (BP) Reference Standard 7640-51-9 25MG $344 2026-04-30 Buy
Sigma-Aldrich Y0000769 Promethazine impurity D European Pharmacopoeia (EP) Reference Standard 7640-51-9 Y0000769 $153 2024-03-01 Buy
Cayman Chemical 39547 Promethazine Sulfoxide ≥95% 7640-51-9 5mg $107 2026-04-30 Buy
Cayman Chemical 39547 Promethazine Sulfoxide ≥95% 7640-51-9 10mg $204 2026-04-30 Buy
Product number Packaging Price Buy
Y0000769 35 mg $167 Buy
BP505 25MG $344 Buy
Y0000769 Y0000769 $153 Buy
39547 5mg $107 Buy
39547 10mg $204 Buy

Promethazine sulfoxide Chemical Properties, Uses, Production

Chemical Properties

Dark Pink Solid

Uses

A metabolite of Promethazine (P757000).

Definition

ChEBI: Promethazine sulfoxide is a member of phenothiazines.

Promethazine sulfoxide Preparation Products And Raw materials

Raw materials

Preparation Products

Global Suppliers ( 108)
Supplier Tel Email Country ProdList Advantage
J & K SCIENTIFIC LTD. 18210857532 18210857532 jkinfo@jkchemical.com China 96815 76
Chemsky(shanghai)International Co.,Ltd. 021-50135380 shchemsky@sina.com China 32273 50
S.Z. PhyStandard Bio-Tech. Co., Ltd. 0755-4000505016 13380397412 3001272453@qq.com China 5000 50
Clearsynth Labs Limited +91-22-26355700 info@clearsynth.com India 9656 58
Cato Research Chemicals Inc. 020-81960175 min.he@cato-chem.com China 1949 55
Bide Pharmatech Ltd. 400-164-7117 18317119277 product02@bidepharm.com China 40000 60
Quality Control Solutions Ltd. 0755-66853366 13670046396 orders@qcsrm.com China 18188 56
Shanghai Kewel Chemical Co., Ltd. 021-64609169 18901607656 greensnown@163.com China 9883 50
Nanjing XiZe Biotechnology CO., Ltd. 025-66023220 15250997978 1511893459@qq.com China 4777 55
BOC Sciences 16314854226 info@bocsci.com United States 9909 65
N-[2-(Dimethylamino)propyl]phenothiazine S-Oxide Promethazine 5-Sulfoxide N,N,a-Trimethyl-10H-phenothiazine-10-ethanamine 5-Oxide Promethazine 5-Oxide Romergan Sulfoxide N,N,α-TriMethyl-10H-phenothiazine-10-ethanaMine 5-Oxide ProMethazine EP IMpurity D PROMETHAZINE EP IMPURITY D (PROMETHAZINE SULFOXIDE) (2RS)-N,N-Dimethyl-1-(10H-phenothiazin-10-yl)propan-2-amine S-oxide 10-(2-(Dimethylamino)propyl)-10H-phenothiazine 5-oxide Promethazine Impurity 4(EP Impurity D) N,N-dimethyl-1-(5-oxophenothiazin-10-yl)propan-2-amine 10H-Phenothiazine-10-ethanamine, N,N,α-trimethyl-, 5-oxide 10-(2-(dimethylamino)propyl)-10H-phenothiazine 5-oxide dihydrochloride Promethazine Impurity 4(Promethazine EP Impurity D) Promethazine EP Impurity D Dihydrochloride Promethazine SulfoxideQ: What is Promethazine Sulfoxide Q: What is the CAS Number of Promethazine Sulfoxide Q: What is the storage condition of Promethazine Sulfoxide Q: What are the applications of Promethazine Sulfoxide Promethazine Hydrochloride Impurity D Promethazine Hydrochloride EP Impurity D 10-(2-(dimethylamino)propyl)-10H-phenothiazine 5-oxide hydrochloride 10-(2-(Dimethylamino)propyl)-10H-phenothiazine 5-oxide (Promethazine Impurity) ProMethazine EP IMpurity D(Phenothiazine EP impurity D) Promethazine sulphoxide in methanol 10-(2-(Dimethylamino)propyl)-10H-phenothiazine 5-oxide , Promethazine Sulfoxide (2RS)-N,N-Dimethyl-1-(10H-phenothiazin-10-yl)propan-2-amine S-Oxide (Promethazine Sulphoxide) Promethazine Sulphoxide 1.0 mg/ml in Methanol Epiprazine sulfoxide (EP Impurity D) Promethazine sulfoxide 7640-51-9 Various Metabolites and Impurities Intermediates & Fine Chemicals Metabolites & Impurities Pharmaceuticals Sulfur & Selenium Compounds