Eserine hemisulfate salt

Name: Eserine hemisulfate salt
Brand: Vaqora Chemicals
SKU: VQ-041463

About Eserine hemisulfate salt

Eserine hemisulfate salt (CAS 64-47-1) is a high-purity reference standard of Physostigmine offered by Vaqora Chemicals. Formula C30H44N6O8S, molecular weight 648.8 g/mol. It is also known as Physostigmine Hemisulfate or Eserine sulfate.

The product is provided as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. It carries the GHS signal word “Danger” with 2 hazard statements. Review the Safety Data Sheet before use.

As a reference sample of Physostigmine, it is used for identification, assay and impurity-profiling work during analytical method development, validation (AMV) and routine QC. 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

Identification & assay
Method development & validation
QC reference material

Industries

Related to Physostigmine

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

Physostigmine impurities

Specifications & identifiers

Chemical identifiers
Product name	Eserine hemisulfate salt
Catalogue No.	VQ-041463
CAS Number	64-47-1
IUPAC name	bis([(3aR,8bS)-3,4,8b-trimethyl-2,3a-dihydro-1H-pyrrolo[2,3-b]indol-7-yl] N-methylcarbamate);sulfuric acid
Molecular formula	C₃₀H₄₄N₆O₈S
Molecular weight	648.8 g/mol
Exact mass	648.2941
Grade	Reference Standard
HSN code	38229090
InChIKey	YYBNDIVPHIWTPK-KYJQVDHRSA-N
SMILES	C[C@@]12CCN([C@@H]1N(C3=C2C=C(C=C3)OC(=O)NC)C)C.C[C@@]12CCN([C@@H]1N(C3=C2C=C(C=C3)OC(=O)NC)C)C.OS(=O)(=O)O
PubChem CID	6419928

Physical properties
Physical form	Solid
H-bond donors / acceptors	4 / 12
TPSA	173 Å²
Synonyms	Physostigmine Hemisulfate, Eserine sulfate, Physostigmine sulphate, Physostigmine sulfate (2:1), Physostigmine sulphate (2:1), Eserine sulphate, Physostigmine SO4, Eserine sulfate, physostigmine sulfate

Safety & hazard information (GHS)

Toxic

Signal word: Danger

Hazard statements

H300Fatal if swallowed
H330Fatal if inhaled

Precautionary statements: P260, P264, P270, P271, P284, P301 + P316, P304 + P340, P316, P320, P321, P330, P403 + P233, 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

Frequently asked questions

What is the CAS number of Eserine hemisulfate salt?

The CAS Registry Number of Eserine hemisulfate salt is 64-47-1. It is also known as Physostigmine Hemisulfate, Eserine sulfate, Physostigmine sulphate.

What is the molecular formula and molecular weight of Eserine hemisulfate salt?

Eserine hemisulfate salt has the molecular formula C30H44N6O8S and a molecular weight of 648.8 g/mol.

What is Eserine hemisulfate salt used for?

Eserine hemisulfate salt is supplied as a characterised reference material related to Physostigmine. 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 Eserine hemisulfate salt can I order?

We supply Eserine hemisulfate salt 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 Eserine hemisulfate salt?

Yes. Every lot of Eserine hemisulfate salt 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 Eserine hemisulfate salt be shipped internationally?

Yes. Eserine hemisulfate salt 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.