3-Methylbutyl Chloroformate

Name: 3-Methylbutyl Chloroformate
Brand: Vaqora Chemicals
SKU: VQ-032604

About 3-Methylbutyl Chloroformate

Listed under CAS 628-50-2, 3-Methylbutyl Chloroformate is an impurity of Capecitabine available from Vaqora Chemicals. Formula C6H11ClO2, molecular weight 150.6 g/mol. Its systematic (IUPAC) name is 3-methylbutyl carbonochloridate. Common synonyms include Carbonochloridic acid, 3-methylbutyl ester and Isopentyl chloroformate.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. It carries the GHS signal word “Danger” with 3 hazard statements. Review the Safety Data Sheet before use.

As a characterised impurity of Capecitabine, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

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

Industries

Related to Capecitabine

View every impurity, metabolite and intermediate we list for Capecitabine.

Capecitabine impurities

Specifications & identifiers

Chemical identifiers
Product name	3-Methylbutyl Chloroformate
Catalogue No.	VQ-032604
CAS Number	628-50-2
IUPAC name	3-methylbutyl carbonochloridate
Molecular formula	C₆H₁₁ClO₂
Molecular weight	150.6 g/mol
Exact mass	150.0448
Grade	Reference Standard
HSN code	38229090
InChIKey	KCCKTIKZOIPZTG-UHFFFAOYSA-N
SMILES	CC(C)CCOC(=O)Cl
PubChem CID	12386845

Physical properties
Physical form	Solid
LogP (XLogP3)	2.9
H-bond donors / acceptors	0 / 2
TPSA	26.3 Å²
Synonyms	Carbonochloridic acid, 3-methylbutyl ester, Isopentyl chloroformate, isopentyl carbonochloridate, Chloro(3-methylbutoxy)methanone, chlorocarbonic acid isopentyl ester, Isopentylchloroformate

Safety & hazard information (GHS)

Flammable

Corrosive

Harmful / irritant

Signal word: Danger

Hazard statements

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 is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of 3-Methylbutyl Chloroformate?

The CAS Registry Number of 3-Methylbutyl Chloroformate is 628-50-2. It is also known as Carbonochloridic acid, 3-methylbutyl ester, Isopentyl chloroformate, isopentyl carbonochloridate.

What is the molecular formula and molecular weight of 3-Methylbutyl Chloroformate?

3-Methylbutyl Chloroformate has the molecular formula C6H11ClO2 and a molecular weight of 150.6 g/mol. Its IUPAC name is 3-methylbutyl carbonochloridate.

What is 3-Methylbutyl Chloroformate used for?

3-Methylbutyl Chloroformate is supplied as a characterised reference material related to Capecitabine. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of 3-Methylbutyl Chloroformate can I order?

We supply 3-Methylbutyl Chloroformate in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 3-Methylbutyl Chloroformate?

Yes. Every lot of 3-Methylbutyl Chloroformate is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can 3-Methylbutyl Chloroformate be shipped internationally?

Yes. 3-Methylbutyl Chloroformate is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.