141763-09-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 141763-09-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,1,7,6 and 3 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 141763-09:
(8*1)+(7*4)+(6*1)+(5*7)+(4*6)+(3*3)+(2*0)+(1*9)=119
119 % 10 = 9
So 141763-09-9 is a valid CAS Registry Number.
141763-09-9Relevant articles and documents
Synthesis of 3,5-biscarbonyl-1H-1,2,4-triazole derivatives
De Mendoza,Ontoria,Ortega,Torres
, p. 398 - 402 (2007/10/02)
The hitherto unreported 1H-1,2,4-triazole-3,5-dicarbaldehyde can be prepared in three steps by condensation of methyl dimethoxyacetate with hydrazine, followed by oxidative deamination and deacetalization.
