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API Process Intermediates & Related Compounds

L-Proline Methyl Ester Hydrochloride

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Buy L-Proline Methyl Ester Hydrochloride (CAS 2133-40-6) from Zemixal. Lab and bulk packs, batch COA, fast global delivery.

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L-Proline Methyl Ester Hydrochloride chemical structure
CAS number2133-40-6
FormulaC6H12ClNO2
Molar mass165.62 g/mol
Physical formSolid
HS code2933
InChIKeyHQEIPVHJHZTMDP-JEDNCBNOSA-N
IUPAC namemethyl (2S)-pyrrolidine-2-carboxylate;hydrochloride

About L-Proline Methyl Ester Hydrochloride

Zemixal supplies L-Proline Methyl Ester Hydrochloride within its pharma Intermediates & Building Blocks portfolio. Identity at a glance: CAS 2133-40-6, formula C6H12ClNO2 and molar mass 165.62 g/mol. It is handled as a solid.

Common uses in the lab and plant

  • API route development
  • Impurity fate & purge studies
  • Analytical method development

Handling and storage

Hazard communication follows GHS (Warning: H315 and H319). Our SDS lists exposure controls and first-aid measures.

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 batch certificate of analysis and a 16-section SDS. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Reference standards for Enalapril

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

Enalapril standards

Typical uses

  • API route development
  • Impurity fate & purge studies
  • Analytical method development

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Specifications and identifiers

Specifications of L-Proline Methyl Ester Hydrochloride
Product nameL-Proline Methyl Ester Hydrochloride
Catalogue numberZX-039749
CAS number2133-40-6
IUPAC namemethyl (2S)-pyrrolidine-2-carboxylate;hydrochloride
Molecular formulaC6H12ClNO2
Molar mass165.62 g/mol
Exact mass165.0557
Physical formSolid
H-bond donors / acceptors2 / 3
Topological polar surface area38.3 Ų
HS code2933
InChIKeyHQEIPVHJHZTMDP-JEDNCBNOSA-N
SMILESCOC(=O)[C@@H]1CCCN1.Cl
PubChem CID2733200
SynonymsMethyl L-prolinate hydrochloride, Methyl prolinate hydrochloride, (S)-methyl pyrrolidine-2-carboxylate Hydrochloride, Methyl L-prolinate HCl, (S)-proline methyl ester hydrochloride, methyl proline hydrochloride, (S)-pyrrolidine-2-carboxylic acid methyl ester hydrochloride, (2s)-(methoxycarbonyl)pyrrolidine hydrochloride, H-Pro-OMe.HCl, Methyl (2S)-pyrrolidine-2-carboxylate Hydrochloride, h-pro-ome hcl, L-Proline methyl ester HCl

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

  • H315Causes skin irritation
  • H319Causes serious eye irritation

Precautionary statements P264, P264 + P265, P280, P302 + P352, P305 + P351 + P338, P321, P332 + P317, P337 + P317, P362 + P364

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-Proline Methyl Ester Hydrochloride
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 L-Proline Methyl Ester Hydrochloride

Which CAS number identifies L-Proline Methyl Ester Hydrochloride?
L-Proline Methyl Ester Hydrochloride is registered under CAS 2133-40-6. You may also see it listed as Methyl L-prolinate hydrochloride, Methyl prolinate hydrochloride, (S)-methyl pyrrolidine-2-carboxylate Hydrochloride. Our catalogue number for this item is ZX-039749.
What are the formula and molar mass of L-Proline Methyl Ester Hydrochloride?
For L-Proline Methyl Ester Hydrochloride, its formula is C6H12ClNO2 and its molar mass is 165.62 g/mol. InChIKey HQEIPVHJHZTMDP-JEDNCBNOSA-N lets you match it in any structure database.
How is L-Proline Methyl Ester Hydrochloride used in pharmaceutical QC?
L-Proline Methyl Ester Hydrochloride is a characterised reference material linked to Enalapril. 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-Proline Methyl Ester Hydrochloride?
The grade and assay are confirmed on the quotation and the batch COA. 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-Proline Methyl Ester Hydrochloride?
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-Proline Methyl Ester Hydrochloride to my country?
Yes. Because L-Proline Methyl Ester Hydrochloride 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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