2-Mercapto-5,6-Dimethylpyrimidin-4-ol

Name: 2-Mercapto-5,6-Dimethylpyrimidin-4-ol
Brand: Vaqora Chemicals
SKU: VQ-040707

About 2-Mercapto-5,6-Dimethylpyrimidin-4-ol

Listed under CAS 28456-54-4, 2-Mercapto-5,6-Dimethylpyrimidin-4-ol is a diazine derivative available from Vaqora Chemicals. Its molecular formula is C6H8N2OS and its molecular weight is 156.21 g/mol. The IUPAC name is 5,6-dimethyl-2-sulfanylidene-1H-pyrimidin-4-one. It is also known as 5,6-Dimethylthiouracil or 5,6-Dimethyl-2-thiouracil.

Store in a tightly closed container in a cool, dry and well-ventilated place. It carries the GHS signal word “Warning” with 3 hazard statements. Review the Safety Data Sheet before use.

Key uses span organic synthesis and API synthesis. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies 2-Mercapto-5,6-Dimethylpyrimidin-4-ol in 100 mg, 250 mg, 1 g and 5 g packs, each shipped with a Certificate of Analysis (COA), and exports worldwide. A Safety Data Sheet (SDS) and technical specifications are available on request.

Typical applications

Organic synthesis
API synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	2-Mercapto-5,6-Dimethylpyrimidin-4-ol
Catalogue No.	VQ-040707
CAS Number	28456-54-4
IUPAC name	5,6-dimethyl-2-sulfanylidene-1H-pyrimidin-4-one
Molecular formula	C₆H₈N₂OS
Molecular weight	156.21 g/mol
Exact mass	156.0357
HSN code	2933
InChIKey	MEAKRQUSGACTFV-UHFFFAOYSA-N
SMILES	CC1=C(NC(=S)NC1=O)C
PubChem CID	2736249

Physical properties
Physical form	Other
LogP (XLogP3)	0.4
H-bond donors / acceptors	2 / 2
TPSA	73.2 Å²
Synonyms	5,6-Dimethylthiouracil, 5,6-Dimethyl-2-thiouracil, 5,6-dimethyl-2-sulfanylpyrimidin-4-ol, 2-mercapto-5,6-dimethylpyrimidin-4(3H)-one, 4(1H)-Pyrimidinone, 2,3-dihydro-5,6-dimethyl-2-thioxo-, 4-pyrimidinol, 2-mercapto-5,6-dimethyl-, Uracil, 5,6-dimethyl-2-thio-, 5,6-Dimethyl-4-hydroxy-2-mercaptopyrimidine, 5,6-dimethyl-2-sulfanylidene-1,2,3,4-tetrahydropyrimidin-4-one, KSC-27-031, 5,6-dimethyl-2-sulfanyl-4-pyrimidinol

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, 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 2-Mercapto-5,6-Dimethylpyrimidin-4-ol?

The CAS Registry Number of 2-Mercapto-5,6-Dimethylpyrimidin-4-ol is 28456-54-4. It is also known as 5,6-Dimethylthiouracil, 5,6-Dimethyl-2-thiouracil, 5,6-dimethyl-2-sulfanylpyrimidin-4-ol.

What is the molecular formula and molecular weight of 2-Mercapto-5,6-Dimethylpyrimidin-4-ol?

2-Mercapto-5,6-Dimethylpyrimidin-4-ol has the molecular formula C6H8N2OS and a molecular weight of 156.21 g/mol. Its IUPAC name is 5,6-dimethyl-2-sulfanylidene-1H-pyrimidin-4-one.

Which grade and pack sizes of 2-Mercapto-5,6-Dimethylpyrimidin-4-ol can I order?

We supply 2-Mercapto-5,6-Dimethylpyrimidin-4-ol, in 100 mg, 250 mg, 1 g, 5 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 2-Mercapto-5,6-Dimethylpyrimidin-4-ol?

Yes. Every lot of 2-Mercapto-5,6-Dimethylpyrimidin-4-ol 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 2-Mercapto-5,6-Dimethylpyrimidin-4-ol be shipped internationally?

Yes. 2-Mercapto-5,6-Dimethylpyrimidin-4-ol 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.