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API Impurities

3-Methylbutyl Chloroformate

Reference StandardAvailable on request

Buy 3-Methylbutyl Chloroformate (CAS 628-50-2) from Zemixal: C6H11ClO2, COA and SDS with every lot, worldwide shipping. Part of our API Impurities range.

Pack sizes
3-Methylbutyl Chloroformate chemical structure
CAS number628-50-2
FormulaC6H11ClO2
Molar mass150.6 g/mol
Physical formSolid
HS code38229090
InChIKeyKCCKTIKZOIPZTG-UHFFFAOYSA-N
IUPAC name3-methylbutyl carbonochloridate

About 3-Methylbutyl Chloroformate

Analytical teams working on Capecitabine use 3-Methylbutyl Chloroformate as a qualified comparison standard. Key data (Reference Standard): CAS 628-50-2, formula C6H11ClO2 and molar mass 150.6 g/mol. It is handled as a solid.

Common uses in the lab and plant

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

Handling and storage

It carries the GHS signal word Danger (H226, H314 and H335), so wear gloves and eye protection and work with good ventilation.

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. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Reference standards for Capecitabine

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

Capecitabine standards

Typical uses

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

Applications

Specifications and identifiers

Specifications of 3-Methylbutyl Chloroformate
Product name3-Methylbutyl Chloroformate
Catalogue numberZX-031288
CAS number628-50-2
IUPAC name3-methylbutyl carbonochloridate
Molecular formulaC6H11ClO2
Molar mass150.6 g/mol
Exact mass150.0448
GradeReference Standard
Physical formSolid
XLogP32.9
H-bond donors / acceptors0 / 2
Topological polar surface area26.3 Ų
HS code38229090
InChIKeyKCCKTIKZOIPZTG-UHFFFAOYSA-N
SMILESCC(C)CCOC(=O)Cl
PubChem CID12386845
SynonymsCarbonochloridic acid, 3-methylbutyl ester, Isopentyl chloroformate, isopentyl carbonochloridate, Chloro(3-methylbutoxy)methanone, chlorocarbonic acid isopentyl ester, Isopentylchloroformate

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

Safety and GHS hazards

GHS02 Flammable
Flammable
GHS05 Corrosive
Corrosive
GHS07 Irritant or harmful
Irritant or harmful

Signal word Danger

  • H226Flammable liquid and vapor
  • H314Causes severe skin burns and eye damage
  • H335May cause respiratory irritation

Precautionary statements P210, P233, P240, P241, P242, P243, P260, P261, P264, P271, P280, P301 + P330 + P331, P302 + P361 + P354, P303 + P361 + P353, P304 + P340, P305 + P354 + P338, P316, P319, P321, P363, P370 + P378, P403 + P233, P403 + P235, P405

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 3-Methylbutyl Chloroformate
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 3-Methylbutyl Chloroformate

Which CAS number identifies 3-Methylbutyl Chloroformate?
3-Methylbutyl Chloroformate is registered under CAS 628-50-2. You may also see it listed as Carbonochloridic acid, 3-methylbutyl ester, Isopentyl chloroformate, isopentyl carbonochloridate. Our catalogue number for this item is ZX-031288.
What are the formula and molar mass of 3-Methylbutyl Chloroformate?
For 3-Methylbutyl Chloroformate, its formula is C6H11ClO2 and its molar mass is 150.6 g/mol. The systematic (IUPAC) name is 3-methylbutyl carbonochloridate. InChIKey KCCKTIKZOIPZTG-UHFFFAOYSA-N lets you match it in any structure database.
How is 3-Methylbutyl Chloroformate used in pharmaceutical QC?
3-Methylbutyl Chloroformate is a characterised reference material linked to Capecitabine. 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 3-Methylbutyl Chloroformate?
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 3-Methylbutyl Chloroformate?
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 3-Methylbutyl Chloroformate to my country?
Yes. Because 3-Methylbutyl Chloroformate 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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