21230-50-2 Usage
General Description
1-METHYL-3-AMINO-4-CYANOPYRAZOLE is a chemical compound with the molecular formula C6H7N5. It is a heterocyclic compound with a pyrazole ring that contains a methyl group, an amino group, and a cyano group. This chemical is known to be a precursor for the synthesis of various pharmaceutical compounds and agrochemicals. It can also be used in research and development of new materials. The compound has potential applications in the pharmaceutical and agricultural industries due to its diverse reactivity and functional groups, making it a versatile building block for the synthesis of various complex molecules.
Check Digit Verification of cas no
The CAS Registry Mumber 21230-50-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,2,3 and 0 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 21230-50:
(7*2)+(6*1)+(5*2)+(4*3)+(3*0)+(2*5)+(1*0)=52
52 % 10 = 2
So 21230-50-2 is a valid CAS Registry Number.
InChI:InChI=1/C5H6N4/c1-9-3-4(2-6)5(7)8-9/h3H,1H3,(H2,7,8)
21230-50-2Relevant articles and documents
A Michael Equilibration Model to Control Site Selectivity in the Condensation toward Aminopyrazoles
Fandrick, Daniel R.,Sanyal, Sanjit,Kaloko, Joseph,Mulder, Jason A.,Wang, Yuwen,Wu, Ling,Lee, Heewon,Roschangar, Frank,Hoffmann, Matthias,Senanayake, Chris H.
supporting information, p. 2964 - 2967 (2015/06/30)
A Michael equilibration model is presented to provide for site-selective pyrazole condensations between alkoxyacrylonitriles and hydrazines. Both pyrazole isomers were accessed with high selectivity by employment of kinetically or thermodynamically controlled conditions. Substrate scope and identification of Michael intermediates, as well as competitive pathways, support the presented mechanistic proposal. Sandmeyer derivatization provided site-selective access to fully substituted pyrazoles.