Fulvestrant Impurity 19

About Fulvestrant Impurity 19

Fulvestrant Impurity 19 is an impurity of Fulvestrant carrying the CAS registry number 6728-21-8. Formula C4H8O3S, molecular weight 136.17 g/mol. Systematically, it is named prop-2-enyl methanesulfonate. It is also known as Allyl methanesulfonate or 2-Propen-1-yl methanesulfonate.

It is supplied as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. It carries the GHS signal word “Danger” with 8 hazard statements. Review the Safety Data Sheet before use.

As a characterised impurity of Fulvestrant, 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.

We offer Fulvestrant Impurity 19 in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

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

Industries

Related to Fulvestrant

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

Fulvestrant impurities

Specifications & identifiers

Chemical identifiers
Product name	Fulvestrant Impurity 19
Catalogue No.	VQ-048479
CAS Number	6728-21-8
IUPAC name	prop-2-enyl methanesulfonate
Molecular formula	C₄H₈O₃S
Molecular weight	136.17 g/mol
Exact mass	136.0194
Grade	Reference Standard
HSN code	38229090
InChIKey	SUDMKGNNRMLBMF-UHFFFAOYSA-N
SMILES	CS(=O)(=O)OCC=C
PubChem CID	81214

Physical properties
Physical form	Solid
LogP (XLogP3)	0.3
H-bond donors / acceptors	0 / 3
TPSA	51.8 Å²
Synonyms	Allyl methanesulfonate, 2-Propen-1-yl methanesulfonate, Allyl mesylate, prop-2-en-1-yl methanesulfonate, Methanesulfonic acid, allyl ester, Methanesulfonic acid, 2-propenyl ester, Methanesulfonic acid,2-propen-1-yl ester, mesyl allyl ether, prop-2-en-1-ylmethanesulfonate

Safety & hazard information (GHS)

Corrosive

Harmful / irritant

Health hazard

Signal word: Danger

Hazard statements

H302Harmful if swallowed
H314Causes severe skin burns and eye damage
H315Causes skin irritation
H317May cause an allergic skin reaction
H319Causes serious eye irritation
H340May cause genetic defects
H341Suspected of causing genetic defects
H351Suspected of causing cancer

Precautionary statements: P203, P260, P261, P264, P264 + P265, P270, P272, P280, P301 + P317, P301 + P330 + P331, P302 + P352, P302 + P361 + P354, P304 + P340, P305 + P351 + P338, P305 + P354 + P338, P316, P318, P321, P330, P332 + P317, P333 + P317, P337 + P317, P362 + P364, P363

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 Fulvestrant Impurity 19?

The CAS Registry Number of Fulvestrant Impurity 19 is 6728-21-8. It is also known as Allyl methanesulfonate, 2-Propen-1-yl methanesulfonate, Allyl mesylate.

What is the molecular formula and molecular weight of Fulvestrant Impurity 19?

Fulvestrant Impurity 19 has the molecular formula C4H8O3S and a molecular weight of 136.17 g/mol. Its IUPAC name is prop-2-enyl methanesulfonate.

What is Fulvestrant Impurity 19 used for?

Fulvestrant Impurity 19 is supplied as a characterised reference material related to Fulvestrant. 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 Fulvestrant Impurity 19 can I order?

We supply Fulvestrant Impurity 19 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 Fulvestrant Impurity 19?

Yes. Every lot of Fulvestrant Impurity 19 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 Fulvestrant Impurity 19 be shipped internationally?

Yes. Fulvestrant Impurity 19 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.