p-Toluenesulfonyl urea, extra pure >97%

Name: p-Toluenesulfonyl urea, extra pure >97%
Brand: Vaqora Chemicals
SKU: VQ-020067

About p-Toluenesulfonyl urea, extra pure >97%

Vaqora Chemicals supplies p-Toluenesulfonyl urea in Extra Pure grade, a heterocyclic building block registered under CAS number 1156-19-0 at a purity of above 97%. Formula C14H21N3O3S, molecular weight 311.4 g/mol. Its systematic (IUPAC) name is 1-(azepan-1-yl)-3-(4-methylphenyl)sulfonylurea. Alternative names: tolazamide and Norglycin.

Keep the container tightly sealed and store it in a cool, dry area. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

Key uses span organic synthesis and API synthesis. It is used across pharmaceutical manufacturing and academic and industrial research.

We offer p-Toluenesulfonyl urea in 25 g and 100 g packs with a batch-specific COA, and ship to customers worldwide. SDS and detailed specification sheets can be requested with your quotation. Larger quantities and custom packaging are available. Request a quote for pricing and lead time.

Typical applications

Organic synthesis
API synthesis

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	p-Toluenesulfonyl urea, extra pure >97%
Catalogue No.	VQ-020067
CAS Number	1156-19-0
IUPAC name	1-(azepan-1-yl)-3-(4-methylphenyl)sulfonylurea
Molecular formula	C₁₄H₂₁N₃O₃S
Molecular weight	311.4 g/mol
Exact mass	311.1304
Grade	Extra Pure
Purity / assay	>97%
HSN code	2933
InChIKey	OUDSBRTVNLOZBN-UHFFFAOYSA-N
SMILES	CC1=CC=C(C=C1)S(=O)(=O)NC(=O)NN2CCCCCC2
PubChem CID	5503

Physical properties
Physical form	Other
LogP (XLogP3)	1.5
H-bond donors / acceptors	2 / 4
TPSA	86.9 Å²
Synonyms	tolazamide, Norglycin, Tolazolamide, 1-(Hexahydro-1-azepinyl)-3-p-tolylsulfonylurea, 1-(Hexahydro-1H-azepin-1-yl)-3-(p-tolylsulfonyl)urea, N-(p-Toluenesulfonyl)-N'-hexamethyleniminourea, 4-(p-Tolylsulfonyl)-1,1-hexamethylenesemicarbazide, N-(azepan-1-ylcarbamoyl)-4-methylbenzenesulfonamide, Benzenesulfonamide, N-[[(hexahydro-1H-azepin-1-yl)amino]carbonyl]-4-methyl-, Urea, 1-(hexahydro-1H-azepin-1-yl)-3-(p-tolylsulfonyl)-, Benzenesulfonamide, N-(((hexahydro-1H-azepin-1-yl)amino)carbonyl)-4-methyl-, 1-(azepan-1-yl)-3-(4-methylbenzenesulfonyl)urea

Safety & hazard information (GHS)

Health hazard

Signal word: Danger

Hazard statements

H370Causes damage to organs

Precautionary statements: P260, P264, P270, P308 + P316, P321, 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

Other grades of CAS 1156-19-0

Reference Standard

Tolbutamide EP Impurity C

CAS: 1156-19-0
Formula: C₁₄H₂₁N₃O₃S
MW: 311.4 g/mol

VQ-034317

Frequently asked questions

What is the CAS number of p-Toluenesulfonyl urea, extra pure >97%?

The CAS Registry Number of p-Toluenesulfonyl urea, extra pure >97% is 1156-19-0. It is also known as tolazamide, Norglycin, Tolazolamide.

What is the molecular formula and molecular weight of p-Toluenesulfonyl urea, extra pure >97%?

p-Toluenesulfonyl urea, extra pure >97% has the molecular formula C14H21N3O3S and a molecular weight of 311.4 g/mol. Its IUPAC name is 1-(azepan-1-yl)-3-(4-methylphenyl)sulfonylurea.

Which grade and pack sizes of p-Toluenesulfonyl urea, extra pure >97% can I order?

We supply p-Toluenesulfonyl urea, extra pure >97% in Extra Pure (>97%) grade, in 25 g, 100 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with p-Toluenesulfonyl urea, extra pure >97%?

Yes. Every lot of p-Toluenesulfonyl urea, extra pure >97% 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 p-Toluenesulfonyl urea, extra pure >97% be shipped internationally?

Yes. p-Toluenesulfonyl urea, extra pure >97% 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.