Pharmacopeial Impurities (EP / USP / BP)

Acetylcysteine EP Impurity D

Name: Acetylcysteine EP Impurity D
Brand: Zemixal
SKU: ZX-020475

Reference StandardAvailable on request

Order Acetylcysteine EP Impurity D (CAS 18725-37-6) online at Zemixal. Lab and bulk packs, batch COA, fast global delivery.

Pack sizes

Acetylcysteine EP Impurity D chemical structure

CAS number18725-37-6

FormulaC₇H₁₁NO₄S

Molar mass205.23 g/mol

Physical formSolid

HS code38229090

InChIKeyHSPYGHDTVQJUDE-LURJTMIESA-N

IUPAC name(2R)-2-acetamido-3-acetylsulfanylpropanoic acid

About Acetylcysteine EP Impurity D

Zemixal lists Acetylcysteine EP Impurity D for laboratories that identify, quantify or control Acetylcysteine and its related substances. Key data (Reference Standard): CAS 18725-37-6, formula C7H11NO4S and molar mass 205.23 g/mol. It is handled as a solid.

Where it is used

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

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. Each lot travels with a certificate of analysis with characterisation data. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Reference standards for Acetylcysteine

See every impurity, metabolite and related compound we list for this API.

Acetylcysteine standards

Typical uses

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

Applications

Pharmaceutical Manufacturing and QC Research Labs and Universities

Grade guides

Ph. Eur. Grade (European Pharmacopoeia)

Specifications and identifiers

Specifications of Acetylcysteine EP Impurity D
Product name	Acetylcysteine EP Impurity D
Catalogue number	ZX-020475
CAS number	18725-37-6
IUPAC name	(2R)-2-acetamido-3-acetylsulfanylpropanoic acid
Molecular formula	C₇H₁₁NO₄S
Molar mass	205.23 g/mol
Exact mass	205.0409
Grade	Reference Standard
Physical form	Solid
XLogP3	-0.4
H-bond donors / acceptors	2 / 5
Topological polar surface area	109 Å²
HS code	38229090
InChIKey	HSPYGHDTVQJUDE-LURJTMIESA-N
SMILES	CC(=O)N[C@@H](CSC(=O)C)C(=O)O
PubChem CID	65690
Synonyms	Acetylcysteine - Impurity D, Dacisteine, N,S-Diacetylcysteine, Mucothiol, N,S-Diacetyl-L-cysteine, (R)-2-acetamido-3-(acetylthio)propanoic acid, (2R)-2-acetamido-3-acetylsulfanyl-propanoic acid, N-Acetyl-L-cysteine, acetate (ester), Ac-Cys(Ac)-OH, (2R)-3-(acetylsulfanyl)-2-acetamidopropanoic acid

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

No GHS classification is on file for this item. Handle it as an unknown laboratory chemical and request the SDS with your quotation.

Pack sizes

Pack sizes of Acetylcysteine EP Impurity D
10 mg	Quoted on request
25 mg	Quoted on request
50 mg	Quoted on request
100 mg	Quoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Acetylcysteine EP Impurity D

Which CAS number identifies Acetylcysteine EP Impurity D?

Acetylcysteine EP Impurity D is registered under CAS 18725-37-6. You may also see it listed as Acetylcysteine - Impurity D, Dacisteine, N,S-Diacetylcysteine. Our catalogue number for this item is ZX-020475.

What are the formula and molar mass of Acetylcysteine EP Impurity D?

For Acetylcysteine EP Impurity D, its formula is C7H11NO4S and its molar mass is 205.23 g/mol. The systematic (IUPAC) name is (2R)-2-acetamido-3-acetylsulfanylpropanoic acid. InChIKey HSPYGHDTVQJUDE-LURJTMIESA-N lets you match it in any structure database.

How is Acetylcysteine EP Impurity D used in pharmaceutical QC?

Acetylcysteine EP Impurity D is a characterised reference material linked to Acetylcysteine. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.

What grade and pack sizes are available for Acetylcysteine EP Impurity D?

This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.

Which documents come with Acetylcysteine EP Impurity D?

Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.

Can Zemixal ship Acetylcysteine EP Impurity D to my country?

Yes. Acetylcysteine EP Impurity D ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.

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