3-Methyl-2,4-dihydropyrazolo[4,3-d]pyrimidine-7-thione

Base Information

Chemical Name:3-Methyl-2,4-dihydropyrazolo[4,3-d]pyrimidine-7-thione
CAS No.:5399-96-2
Molecular Formula:C6H6N4S
Molecular Weight:166.2036
Hs Code.:
NSC Number:4943
DSSTox Substance ID:DTXSID20400962
Mol file:5399-96-2.mol

Synonyms:NSC4943;5399-96-2;NSC 4943;DTXSID20400962;NSC-4943

Suppliers and Price of 3-Methyl-2,4-dihydropyrazolo[4,3-d]pyrimidine-7-thione

Supply Marketing:

Business phase:: The product has achieved commercial mass production^*data from LookChem market partment

Manufacturers and distributors:

Manufacture/Brand
Chemicals and raw materials
Packaging
price

Total 5 raw suppliers

Chemical Property of 3-Methyl-2,4-dihydropyrazolo[4,3-d]pyrimidine-7-thione

Chemical Property:

Vapor Pressure:5.01E-07mmHg at 25°C
Boiling Point:412.9°Cat760mmHg
Flash Point:203.5°C
Density:1.68g/cm³
XLogP3:0.3
Hydrogen Bond Donor Count:2
Hydrogen Bond Acceptor Count:2
Rotatable Bond Count:0
Exact Mass:166.03131738
Heavy Atom Count:11
Complexity:215

Purity/Quality:: 98% ^*data from raw suppliers

Safty Information:

Pictogram(s):
Hazard Codes:

MSDS Files:: SDS file from LookChem

Useful:

Canonical SMILES:CC1=C2C(=NN1)C(=S)N=CN2

Technology Process of 3-Methyl-2,4-dihydropyrazolo[4,3-d]pyrimidine-7-thione

There total 7 articles about 3-Methyl-2,4-dihydropyrazolo[4,3-d]pyrimidine-7-thione which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield:

: 5334-38-3
3-methyl-4-nitropyrazole-5-carboxylic acid

: 5399-96-2
3-methyl-1,6-dihydro-pyrazolo[4,3-d]pyrimidine-7-thione

Guidance literature:: Multi-step reaction with 5 steps

2: water; NH₃

3: ethanol; palladium/charcoal / Hydrogenation

5: pyridine; P₂S₅

With pyridine; palladium on activated charcoal; tetraphosphorus decasulfide; ethanol; ammonia; water;
DOI:10.1021/jo01114a001

Reference yield:

: 5399-94-0
3-methyl-7-oxo-6,7-dihydro-1H-pyrazolo<4,3-d>pyrimidine

: 5399-96-2
3-methyl-1,6-dihydro-pyrazolo[4,3-d]pyrimidine-7-thione

Guidance literature:: With pyridine; tetraphosphorus decasulfide;
DOI:10.1021/jo01114a001

Reference yield:

: 5334-36-1
5-methyl-4-nitro-1⁽²⁾H-pyrazole-3-carboxylic acid amide

: 5399-96-2
3-methyl-1,6-dihydro-pyrazolo[4,3-d]pyrimidine-7-thione

Guidance literature:: Multi-step reaction with 3 steps

1: ethanol; palladium/charcoal / Hydrogenation

3: pyridine; P₂S₅

With pyridine; palladium on activated charcoal; tetraphosphorus decasulfide; ethanol;
DOI:10.1021/jo01114a001