Atracurium EP Impurity J

Name: Atracurium EP Impurity J
Brand: Vaqora Chemicals
SKU: VQ-006260

About Atracurium EP Impurity J

Listed under CAS 80-18-2, Atracurium EP Impurity J is a pharmacopeial impurity standard available from Vaqora Chemicals. Formula C7H8O3S, molecular weight 172.2 g/mol. Its systematic (IUPAC) name is methyl benzenesulfonate. Alternative names: Methyl besylate and Benzenesulfonic acid, methyl ester.

It is supplied as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.

As a characterised impurity of the parent drug substance, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. It is used across 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. Stock is available for quick dispatch.

Typical applications

Pharmacopeial method verification
Impurity profiling
QC release testing
ANDA / DMF filings

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Atracurium EP Impurity J
Catalogue No.	VQ-006260
CAS Number	80-18-2
IUPAC name	methyl benzenesulfonate
Molecular formula	C₇H₈O₃S
Molecular weight	172.2 g/mol
Exact mass	172.0194
Grade	Reference Standard
HSN code	38229090
InChIKey	CZXGXYBOQYQXQD-UHFFFAOYSA-N
SMILES	COS(=O)(=O)C1=CC=CC=C1
PubChem CID	6630

Physical properties
Physical form	Solid
LogP (XLogP3)	1.2
H-bond donors / acceptors	0 / 3
TPSA	51.8 Å²
Synonyms	Methyl besylate, Benzenesulfonic acid, methyl ester, Methyl benzenesulphonate, methylbenzenesulfonate, Methyl ester of benzenesulphonic acid, Benzenesulfonic Acid Methyl Ester, Atracurium Impurity 38, methyl benzene-sulfonate, 4-11-00-00029 (Beilstein Handbook Reference), Atracurium Besilate EP Impurity J

Safety & hazard information (GHS)

Corrosive

Harmful / irritant

Health hazard

Signal word: Danger

Hazard statements

H302Harmful if swallowed
H314Causes severe skin burns and eye damage
H317May cause an allergic skin reaction
H341Suspected of causing genetic defects

Precautionary statements: P203, P260, P261, P264, P270, P272, P280, P301 + P317, P301 + P330 + P331, P302 + P352, P302 + P361 + P354, P304 + P340, P305 + P354 + P338, P316, P318, P321, P330, P333 + P317, P362 + P364, P363, P405, P501

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

Other grades of CAS 80-18-2

Methyl benzenesulphonate, 97%

CAS: 80-18-2
Formula: C₇H₈O₃S
MW: 172.2 g/mol

VQ-019266

Frequently asked questions

What is the CAS number of Atracurium EP Impurity J?

The CAS Registry Number of Atracurium EP Impurity J is 80-18-2. It is also known as Methyl besylate, Benzenesulfonic acid, methyl ester, Methyl benzenesulphonate.

What is the molecular formula and molecular weight of Atracurium EP Impurity J?

Atracurium EP Impurity J has the molecular formula C7H8O3S and a molecular weight of 172.2 g/mol. Its IUPAC name is methyl benzenesulfonate.

Which grade and pack sizes of Atracurium EP Impurity J can I order?

We supply Atracurium EP Impurity J in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg, 250 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Atracurium EP Impurity J?

Yes. Every lot of Atracurium EP Impurity J 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 Atracurium EP Impurity J be shipped internationally?

Yes. Atracurium EP Impurity J 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.