Parbendazole

Name: Parbendazole
Brand: Vaqora Chemicals
SKU: VQ-027389

About Parbendazole

Parbendazole (CAS 14255-87-9) is an impurity of Penicillin offered by Vaqora Chemicals. With the molecular formula C13H17N3O2, it has a molar mass of 247.29 g/mol. Systematically, it is named methyl N-(6-butyl-1H-benzimidazol-2-yl)carbamate. Common synonyms include Worm Guard and Parbendazol.

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. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

This Penicillin impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Parbendazole 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 Penicillin

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

Penicillin impurities

Specifications & identifiers

Chemical identifiers
Product name	Parbendazole
Catalogue No.	VQ-027389
CAS Number	14255-87-9
IUPAC name	methyl N-(6-butyl-1H-benzimidazol-2-yl)carbamate
Molecular formula	C₁₃H₁₇N₃O₂
Molecular weight	247.29 g/mol
Exact mass	247.1321
Grade	Reference Standard
HSN code	38229090
InChIKey	YRWLZFXJFBZBEY-UHFFFAOYSA-N
SMILES	CCCCC1=CC2=C(C=C1)N=C(N2)NC(=O)OC
PubChem CID	26596

Physical properties
Physical form	Solid
LogP (XLogP3)	3.4
H-bond donors / acceptors	2 / 3
TPSA	67 Å²
Synonyms	Worm Guard, Parbendazol, Carbamic acid, (5-butyl-1H-benzimidazol-2-yl)-, methyl ester, 5-Butyl-2-(carbomethoxyamino)benzimidazole, 2-Benzimidazolecarbamic acid, 5-butyl-, methyl ester, (4-Butyl-1H-benzimidazol-2-yl)-carbamic acid methyl ester, Methyl (5-butyl-1H-benzo[d]imidazol-2-yl)carbamate, 5-Butyl-2-benzimidazolecarbamic acid methyl ester, methyl ~{N}-(5-butyl-1~{H}-benzimidazol-2-yl)carbamate, Parbendazole free base, 14255-87-9 (free base), Methyl 5(6)-butyl-2-benzimidazolecarbamate

Safety & hazard information (GHS)

Harmful / irritant

Health hazard

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H361Suspected of damaging fertility or the unborn child

Precautionary statements: P203, P264, P270, P280, P301 + P317, P318, P330, 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 Parbendazole?

The CAS Registry Number of Parbendazole is 14255-87-9. It is also known as Worm Guard, Parbendazol, Carbamic acid, (5-butyl-1H-benzimidazol-2-yl)-, methyl ester.

What is the molecular formula and molecular weight of Parbendazole?

Parbendazole has the molecular formula C13H17N3O2 and a molecular weight of 247.29 g/mol. Its IUPAC name is methyl N-(6-butyl-1H-benzimidazol-2-yl)carbamate.

What is Parbendazole used for?

Parbendazole is supplied as a characterised reference material related to Penicillin. 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 Parbendazole can I order?

We supply Parbendazole 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 Parbendazole?

Yes. Every lot of Parbendazole 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 Parbendazole be shipped internationally?

Yes. Parbendazole 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.