L-Penicillamine

Name: L-Penicillamine
Brand: Zemixal
SKU: ZX-035949

Reference StandardAvailable on request

Order L-Penicillamine (CAS 1113-41-3) online at Zemixal. Lab and bulk packs, batch COA, fast global delivery. Packs from 10 mg.

Pack sizes

CAS number1113-41-3

FormulaC₅H₁₁NO₂S

Molar mass149.21 g/mol

Physical formSolid

HS code38229090

InChIKeyVVNCNSJFMMFHPL-GSVOUGTGSA-N

IUPAC name(2R)-2-amino-3-methyl-3-sulfanylbutanoic acid

About L-Penicillamine

L-Penicillamine belongs to the Penicilin reference-standard family in the Zemixal catalogue. Key data (Reference Standard): CAS 1113-41-3, formula C5H11NO2S and molar mass 149.21 g/mol. It is handled as a solid.

Use cases we see most often

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Safe handling

It carries the GHS signal word Warning (H315, H319 and H335), so wear gloves and eye protection and work with good ventilation.

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

Reference standards for Penicilin

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

Penicilin standards

Typical uses

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Applications

Pharmaceutical Manufacturing and QC Research Labs and Universities

Specifications and identifiers

Specifications of L-Penicillamine
Product name	L-Penicillamine
Catalogue number	ZX-035949
CAS number	1113-41-3
IUPAC name	(2R)-2-amino-3-methyl-3-sulfanylbutanoic acid
Molecular formula	C₅H₁₁NO₂S
Molar mass	149.21 g/mol
Exact mass	149.051
Grade	Reference Standard
Physical form	Solid
XLogP3	-1.8
H-bond donors / acceptors	3 / 4
Topological polar surface area	64.3 Å²
HS code	38229090
InChIKey	VVNCNSJFMMFHPL-GSVOUGTGSA-N
SMILES	CC(C)([C@@H](C(=O)O)N)S
PubChem CID	92863
Synonyms	3-Mercapto-L-valine, 3-sulfanyl-L-valine, L-(+)-beta-Mercaptovaline, (+)-penicillamine, L-Pen, Valine, 3-mercapto-, L-, Penicillamine, (+)-, r-penicillamine, l-3-Mercaptovaline, H-Pen-OH, (R)-2-Amino-3-mercapto-3-methylbutanoic acid, L-Valine, 3-mercapto-

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

Safety and GHS hazards

Irritant or harmful

Signal word Warning

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, 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 L-Penicillamine
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 L-Penicillamine

Which CAS number identifies L-Penicillamine?

L-Penicillamine is registered under CAS 1113-41-3. You may also see it listed as 3-Mercapto-L-valine, 3-sulfanyl-L-valine, L-(+)-beta-Mercaptovaline. Our catalogue number for this item is ZX-035949.

What are the formula and molar mass of L-Penicillamine?

For L-Penicillamine, its formula is C5H11NO2S and its molar mass is 149.21 g/mol. The systematic (IUPAC) name is (2R)-2-amino-3-methyl-3-sulfanylbutanoic acid. InChIKey VVNCNSJFMMFHPL-GSVOUGTGSA-N lets you match it in any structure database.

How is L-Penicillamine used in pharmaceutical QC?

L-Penicillamine is a characterised reference material linked to Penicilin. 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 L-Penicillamine?

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 L-Penicillamine?

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 L-Penicillamine to my country?

Yes. Because L-Penicillamine 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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