Misoprostol Acid

About Misoprostol Acid

Misoprostol Acid is an impurity of Misoprostol carrying the CAS registry number 66792-31-2. With the molecular formula C21H36O5, it has a molar mass of 368.5 g/mol. Systematically, it is named 7-[(1R,2R,3R)-3-hydroxy-2-[(E)-4-hydroxy-4-methyloct-1-enyl]-5-oxocyclopentyl]heptanoic acid. Common synonyms include Misoprostol Acid (Mixture of Diastereomers) and rel-Misoprostol acid.

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. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.

This Misoprostol impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Misoprostol Acid is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

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

Industries

Related to Misoprostol

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

Misoprostol impurities

Specifications & identifiers

Chemical identifiers
Product name	Misoprostol Acid
Catalogue No.	VQ-026739
CAS Number	66792-31-2
IUPAC name	7-[(1R,2R,3R)-3-hydroxy-2-[(E)-4-hydroxy-4-methyloct-1-enyl]-5-oxocyclopentyl]heptanoic acid
Molecular formula	C₂₁H₃₆O₅
Molecular weight	368.5 g/mol
Exact mass	368.2563
Grade	Reference Standard
HSN code	38229090
InChIKey	CNWGPXZGIIOYDL-MKYGPDKMSA-N
SMILES	CCCCC(C)(C/C=C/[C@H]1[C@@H](CC(=O)[C@@H]1CCCCCCC(=O)O)O)O
PubChem CID	6436406

Physical properties
Physical form	Solid
LogP (XLogP3)	3.3
H-bond donors / acceptors	3 / 5
TPSA	94.8 Å²
Synonyms	Misoprostol Acid (Mixture of Diastereomers), rel-Misoprostol acid, 15-Deoxy-16-hydroxy-16-methylprostaglandin E1, Prost-13-en-1-oic acid, 11,16-dihydroxy-16-methyl-9-oxo-, (11alpha,13E)-, misoprostol (free acid form), Misoprostol free acid, misoprostol free-acid, BML2-B06, Prost-13-en-1-oic acid, 11,16-dihydroxy-16-methyl-9-oxo-, (11alpha,13E)-(+-)-, (11alpha,13E)-(+)-11,16-Dihydroxy-16-methyl-9-oxoprost-13-en-1-oic acid, (+/-)-15-Deoxy-(16RS)-16-hydroxy-16-methylpro gestaglandin E1

Safety & hazard information (GHS)

Toxic

Harmful / irritant

Health hazard

Signal word: Danger

Hazard statements

H301Toxic if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
H361Suspected of damaging fertility or the unborn child

Precautionary statements: P203, P261, P264, P264 + P265, P270, P271, P280, P301 + P316, P302 + P352, P304 + P340, P305 + P351 + P338, P318, P319, P321, P330, P332 + P317, P337 + P317, P362 + P364, 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 Misoprostol Acid?

The CAS Registry Number of Misoprostol Acid is 66792-31-2. It is also known as Misoprostol Acid (Mixture of Diastereomers), rel-Misoprostol acid, 15-Deoxy-16-hydroxy-16-methylprostaglandin E1.

What is the molecular formula and molecular weight of Misoprostol Acid?

Misoprostol Acid has the molecular formula C21H36O5 and a molecular weight of 368.5 g/mol. Its IUPAC name is 7-[(1R,2R,3R)-3-hydroxy-2-[(E)-4-hydroxy-4-methyloct-1-enyl]-5-oxocyclopentyl]heptanoic acid.

What is Misoprostol Acid used for?

Misoprostol Acid is supplied as a characterised reference material related to Misoprostol. 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 Misoprostol Acid can I order?

We supply Misoprostol Acid 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 Misoprostol Acid?

Yes. Every lot of Misoprostol Acid 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 Misoprostol Acid be shipped internationally?

Yes. Misoprostol Acid 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.