Physostigmine

Name: Physostigmine
Brand: Zemixal
SKU: ZX-035978

Reference StandardAvailable on request

Order Physostigmine (CAS 57-47-6) online at Zemixal. Request a quote with price, lead time and documents. Part of our API Reference Standards range.

Pack sizes

CAS number57-47-6

FormulaC₁₅H₂₁N₃O₂

Molar mass275.35 g/mol

Physical formSolid

HS code38229090

InChIKeyPIJVFDBKTWXHHD-HIFRSBDPSA-N

IUPAC name[(3aR,8bS)-3,4,8b-trimethyl-2,3a-dihydro-1H-pyrrolo[2,3-b]indol-7-yl] N-methylcarbamate

About Physostigmine

Zemixal lists Physostigmine for laboratories that identify, quantify or control Physostigmine and its related substances. Identity at a glance (Reference Standard): CAS 57-47-6, formula C15H21N3O2 and molar mass 275.35 g/mol. It is handled as a solid.

Common uses in the lab and plant

Identification & assay
Method development & validation
QC reference material

Safe handling

It carries the GHS signal word Danger (H300 and H330), so wear gloves and eye protection and work with good ventilation.

Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. Every shipment includes 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 Physostigmine

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

Physostigmine standards

Typical uses

Identification & assay
Method development & validation
QC reference material

Applications

Pharmaceutical Manufacturing and QC Research Labs and Universities

Specifications and identifiers

Specifications of Physostigmine
Product name	Physostigmine
Catalogue number	ZX-035978
CAS number	57-47-6
IUPAC name	[(3aR,8bS)-3,4,8b-trimethyl-2,3a-dihydro-1H-pyrrolo[2,3-b]indol-7-yl] N-methylcarbamate
Molecular formula	C₁₅H₂₁N₃O₂
Molar mass	275.35 g/mol
Exact mass	275.1634
Grade	Reference Standard
Physical form	Solid
XLogP3	0.7
H-bond donors / acceptors	1 / 4
Topological polar surface area	44.8 Å²
HS code	38229090
InChIKey	PIJVFDBKTWXHHD-HIFRSBDPSA-N
SMILES	C[C@@]12CCN([C@@H]1N(C3=C2C=C(C=C3)OC(=O)NC)C)C
PubChem CID	5983
Synonyms	Eserine, Physostol, Esromiotin, Ezerin, Calabarine, Fysostigmin, Erserine, cogmine, eserin, Eserolein, methylcarbamate (ester), MCV 4484

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

Safety and GHS hazards

Acute toxicity

Signal word Danger

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 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 Physostigmine
10 mg	Quoted on request
25 mg	Quoted on request
50 mg	Quoted on request
100 mg	Quoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Physostigmine

Which CAS number identifies Physostigmine?

Physostigmine is registered under CAS 57-47-6. You may also see it listed as Eserine, Physostol, Esromiotin. Our catalogue number for this item is ZX-035978.

What are the formula and molar mass of Physostigmine?

For Physostigmine, its formula is C15H21N3O2 and its molar mass is 275.35 g/mol. The systematic (IUPAC) name is [(3aR,8bS)-3,4,8b-trimethyl-2,3a-dihydro-1H-pyrrolo[2,3-b]indol-7-yl] N-methylcarbamate. InChIKey PIJVFDBKTWXHHD-HIFRSBDPSA-N lets you match it in any structure database.

How is Physostigmine used in pharmaceutical QC?

Physostigmine is a characterised reference material linked to Physostigmine. 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 Physostigmine?

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 Physostigmine?

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 Physostigmine to my country?

Yes. Because Physostigmine 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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