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Pharmacopeial Impurities (EP / USP / BP)Reference StandardAvailable on request

Promethazine EP Impurity C

Synonyms: Desmethyl Promethazine · Promethazine Hydrochloride - Impurity C (Freebase) · N-Desmethylpromethazine · N,alpha-Dimethyl-10H-phenothiazine-10-ethanamine

CAS No.37707-23-6
FormulaC16H18N2S
Mol. weight270.40
Catalogue No.VQ-043842
PurityReference Standard
HSN38229090

Promethazine EP Impurity C (CAS 37707-23-6) – Promethazine impurity standard. C16H18N2S, MW 270.4. COA included. Worldwide shipping from Vaqora Chemicals.

Pack sizesPrice on quotation · bulk available
10 mg
25 mg
50 mg
100 mg
Bulk / custom pack · kg to MT
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Batch COA with every lot
16-section GHS SDS
Export to 120+ countries
DG-compliant packing

About Promethazine EP Impurity C

Vaqora Chemicals supplies Promethazine EP Impurity C, a pharmacopeial impurity of Promethazine registered under CAS number 37707-23-6. The compound has the formula C16H18N2S, corresponding to a molecular weight of 270.4 g/mol. Its systematic (IUPAC) name is N-methyl-1-phenothiazin-10-ylpropan-2-amine. Alternative names: Desmethyl Promethazine and N-Desmethylpromethazine.

The product is provided as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Good laboratory practice and suitable PPE are recommended during handling.

Pharmaceutical QC and development laboratories use this impurity standard of Promethazine to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Promethazine EP Impurity C is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

  • Pharmacopeial method verification
  • Impurity profiling
  • QC release testing
  • ANDA / DMF filings

Industries

Related to Promethazine

View every impurity, metabolite and intermediate we list for Promethazine.

Promethazine impurities

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Specifications & identifiers

Chemical identifiers
Product namePromethazine EP Impurity C
Catalogue No.VQ-043842
CAS Number37707-23-6
IUPAC nameN-methyl-1-phenothiazin-10-ylpropan-2-amine
Molecular formulaC16H18N2S
Molecular weight270.4 g/mol
Exact mass270.1191
GradeReference Standard
HSN code38229090
InChIKeyIJOZCCILCJIHOA-UHFFFAOYSA-N
SMILESCC(CN1C2=CC=CC=C2SC3=CC=CC=C31)NC
PubChem CID169959
Physical properties
Physical formSolid
LogP (XLogP3)4.3
H-bond donors / acceptors1 / 3
TPSA40.6 Ų
SynonymsDesmethyl Promethazine, Promethazine Hydrochloride - Impurity C (Freebase), N-Desmethylpromethazine, N,alpha-Dimethyl-10H-phenothiazine-10-ethanamine, 10H-Phenothiazine-10-ethanamine, N,alpha-dimethyl-, N-Methyl-1-(10H-phenothiazin-10-yl)propan-2-amine, N-demethylpromethazine, Promazine M (ring), N-demethyl Promethazine (hydrochloride), Monodesmethylpromethazine, N,, A-Dimethyl-10H-phenothiazine-10-ethanamine

Documents

Frequently asked questions

What is the CAS number of Promethazine EP Impurity C?

The CAS Registry Number of Promethazine EP Impurity C is 37707-23-6. It is also known as Desmethyl Promethazine, Promethazine Hydrochloride - Impurity C (Freebase), N-Desmethylpromethazine.

What is the molecular formula and molecular weight of Promethazine EP Impurity C?

Promethazine EP Impurity C has the molecular formula C16H18N2S and a molecular weight of 270.4 g/mol. Its IUPAC name is N-methyl-1-phenothiazin-10-ylpropan-2-amine.

What is Promethazine EP Impurity C used for?

Promethazine EP Impurity C is supplied as a characterised reference material related to Promethazine. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of Promethazine EP Impurity C can I order?

We supply Promethazine EP Impurity C in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Promethazine EP Impurity C?

Yes. Every lot of Promethazine EP Impurity C is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Promethazine EP Impurity C be shipped internationally?

Yes. We export Promethazine EP Impurity C worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.

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Why buyers choose Vaqora

  • Batch-traceable lots with COA
  • R&D packs to multi-tonne supply
  • IATA / IMDG dangerous-goods packing
  • EXW, FOB, CIF, DAP Incoterms
  • Custom synthesis & sourcing
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