77022-74-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77022-74-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,0,2 and 2 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 77022-74:
(7*7)+(6*7)+(5*0)+(4*2)+(3*2)+(2*7)+(1*4)=123
123 % 10 = 3
So 77022-74-3 is a valid CAS Registry Number.
InChI:InChI=1/C5H6N6/c1-11-2-7-4(6)3-5(11)9-10-8-3/h2H,6H2,1H3
77022-74-3Relevant articles and documents
v-Triazolopyrimidines (8-Azapurines). Part 24. The 3-Alkyl Derivatives
Albert, Adrion
, p. 2344 - 2351 (2007/10/02)
4-Methylamino-1,2,3-triazole-5-carboxamide (2e) and its 3-benzyl derivative (2b) were cyclized with hydrochloric acid and triethyl orthoformate to give 3-methyl-8-azapurin-6(1H)-one (1c) and its 9-benzyl derivative (1b).The reaction mechanism is discussed