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Pharmacopeial Impurities (EP / USP / BP)

Glutathione EP Impurity A

Reference StandardAvailable on request

Buy Glutathione EP Impurity A (CAS 19246-18-5) from Zemixal: C5H10N2O3S, COA and SDS with every lot, worldwide shipping.

Pack sizes
Glutathione EP Impurity A chemical structure
CAS number19246-18-5
FormulaC5H10N2O3S
Molar mass178.21 g/mol
Physical formSolid
HS code38229090
InChIKeyZUKPVRWZDMRIEO-VKHMYHEASA-N
IUPAC name2-[[(2R)-2-amino-3-sulfanylpropanoyl]amino]acetic acid

About Glutathione EP Impurity A

Zemixal lists Glutathione EP Impurity A for laboratories that identify, quantify or control Glutathione and its related substances. Key data (Reference Standard): CAS 19246-18-5, formula C5H10N2O3S and molar mass 178.21 g/mol. It is handled as a solid.

Where it is used

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

Storage and safety notes

Classified under GHS with signal word Warning and hazard statements H302 and H319. Read the SDS before first use.

Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. Each lot travels with a certificate of analysis with characterisation data. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Glutathione

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

Glutathione standards

Typical uses

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

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Grade guides

Ph. Eur. Grade (European Pharmacopoeia)

Specifications and identifiers

Specifications of Glutathione EP Impurity A
Product nameGlutathione EP Impurity A
Catalogue numberZX-024961
CAS number19246-18-5
IUPAC name2-[[(2R)-2-amino-3-sulfanylpropanoyl]amino]acetic acid
Molecular formulaC5H10N2O3S
Molar mass178.21 g/mol
Exact mass178.0412
GradeReference Standard
Physical formSolid
XLogP3-3.7
H-bond donors / acceptors4 / 5
Topological polar surface area93.4 Ų
HS code38229090
InChIKeyZUKPVRWZDMRIEO-VKHMYHEASA-N
SMILESC([C@@H](C(=O)NCC(=O)O)N)S
PubChem CID439498
SynonymsL-Cysteinylglycine, Glutathione EP Impurity A (Free Base), Cysteinylglycine, Cys-Gly, L-Cysteinyl-glycine, N-L-cysteinylglycine, cysteinyl-glycine, Glycine, N-L-cysteinyl-, 2-[(2R)-2-amino-3-sulfanylpropanamido]acetic acid, 2-((2R)-2-amino-3-sulfanylpropanamido)acetic acid, 2-(((2R)-2-amino-3-sulfanylpropanoyl)amino)acetic acid, 2-(((2R)-2-azaniumyl-3-sulfanylpropanoyl)amino)acetate

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

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful

Signal word Warning

  • H302Harmful if swallowed
  • H319Causes serious eye irritation

Precautionary statements P264, P264 + P265, P270, P280, P301 + P317, P305 + P351 + P338, P330, P337 + P317, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Glutathione EP Impurity A
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request

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

Questions about Glutathione EP Impurity A

Which CAS number identifies Glutathione EP Impurity A?
Glutathione EP Impurity A is registered under CAS 19246-18-5. You may also see it listed as L-Cysteinylglycine, Glutathione EP Impurity A (Free Base), Cysteinylglycine. Our catalogue number for this item is ZX-024961.
What are the formula and molar mass of Glutathione EP Impurity A?
For Glutathione EP Impurity A, its formula is C5H10N2O3S and its molar mass is 178.21 g/mol. The systematic (IUPAC) name is 2-[[(2R)-2-amino-3-sulfanylpropanoyl]amino]acetic acid. InChIKey ZUKPVRWZDMRIEO-VKHMYHEASA-N lets you match it in any structure database.
How is Glutathione EP Impurity A used in pharmaceutical QC?
Glutathione EP Impurity A is a characterised reference material linked to Glutathione. 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 Glutathione EP Impurity A?
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 Glutathione EP Impurity A?
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 Glutathione EP Impurity A to my country?
Yes. Because Glutathione EP Impurity A is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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