Thiopental EP Impurity C

Name: Thiopental EP Impurity C
Brand: Vaqora Chemicals
SKU: VQ-034201

About Thiopental EP Impurity C

Vaqora Chemicals supplies Thiopental EP Impurity C, a pharmacopeial impurity of Thiopental registered under CAS number 87171-21-9. Its molecular formula is C11H18N2O2S and its molecular weight is 242.34 g/mol. Its systematic (IUPAC) name is 5-ethyl-5-pentan-3-yl-2-sulfanylidene-1,3-diazinane-4,6-dione. Common synonyms include Thiopental sodium - Impurity C.

The product is provided as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. Good laboratory practice and suitable PPE are recommended during handling.

This Thiopental impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. It is used across pharmaceutical manufacturing and academic and industrial research.

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

Typical applications

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

Industries

Related to Thiopental

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

Thiopental impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Thiopental EP Impurity C
Catalogue No.	VQ-034201
CAS Number	87171-21-9
IUPAC name	5-ethyl-5-pentan-3-yl-2-sulfanylidene-1,3-diazinane-4,6-dione
Molecular formula	C₁₁H₁₈N₂O₂S
Molecular weight	242.34 g/mol
Exact mass	242.1089
Grade	Reference Standard
HSN code	38229090
InChIKey	VMBXKUPZOMUHQT-UHFFFAOYSA-N
SMILES	CCC(CC)C1(C(=O)NC(=S)NC1=O)CC
PubChem CID	3033726

Physical properties
Physical form	Solid
LogP (XLogP3)	2.9
H-bond donors / acceptors	2 / 3
TPSA	90.3 Å²
Synonyms	Thiopental sodium - Impurity C, 5-Ethyl-5-(1-ethylpropyl)-2-thiobarbituric acid, 4,6(1H,5H)-Pyrimidinedione, 5-ethyl-5-(1-ethylpropyl)dihydro-2-thioxo-, 5-Ethyl-5-(1-ethylpropyl)-2-thioxo-2,3-dihydropyrimidine-4,6(1H,5H)-dione, 5-Ethyl-5(1-ethylpropyl) 2-thiobarbituric acid, 5-ethyl-5-(pentan-3-yl)-2-thioxodihydropyrimidine-4,6(1H,5H)-dione, pyrimidine-4,6(1H,5H)-dione, 5-ethyl-5-(1-ethylpropyl)-2,3-dihydro-2-thioxo-

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 Thiopental EP Impurity C?

The CAS Registry Number of Thiopental EP Impurity C is 87171-21-9. It is also known as Thiopental sodium - Impurity C, 5-Ethyl-5-(1-ethylpropyl)-2-thiobarbituric acid, 4,6(1H,5H)-Pyrimidinedione, 5-ethyl-5-(1-ethylpropyl)dihydro-2-thioxo-.

What is the molecular formula and molecular weight of Thiopental EP Impurity C?

Thiopental EP Impurity C has the molecular formula C11H18N2O2S and a molecular weight of 242.34 g/mol. Its IUPAC name is 5-ethyl-5-pentan-3-yl-2-sulfanylidene-1,3-diazinane-4,6-dione.

What is Thiopental EP Impurity C used for?

Thiopental EP Impurity C is supplied as a characterised reference material related to Thiopental. 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 Thiopental EP Impurity C can I order?

We supply Thiopental EP Impurity C 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 Thiopental EP Impurity C?

Yes. Every lot of Thiopental EP Impurity C 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 Thiopental EP Impurity C be shipped internationally?

Yes. We export Thiopental EP Impurity C worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.