131140-65-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 131140-65-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,1,4 and 0 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 131140-65:
(8*1)+(7*3)+(6*1)+(5*1)+(4*4)+(3*0)+(2*6)+(1*5)=73
73 % 10 = 3
So 131140-65-3 is a valid CAS Registry Number.
131140-65-3Relevant articles and documents
1-Amino-1H-1,2,4-triazole Derivatives
Laus, Gerhard,Kloetzer, Wilhelm
, p. 707 - 712 (2007/10/02)
Reactions of the title compound and its arylmethylene derivatives include quaternization and subsequent formation of 4-substituted 1-amino-1,2,4-triazoline-5-thiones and 1-amino-1,2,4-triazolin-5-ones 1-amino-1H-