89314-30-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 89314-30-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,3,1 and 4 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 89314-30:
(7*8)+(6*9)+(5*3)+(4*1)+(3*4)+(2*3)+(1*0)=147
147 % 10 = 7
So 89314-30-7 is a valid CAS Registry Number.
89314-30-7Relevant articles and documents
A CONVENIENT SYNTHESIS OF 1-ARYL-Δ2-1,2,4-TRIAZOLIN-5-ONES FROM ARYLHYDRAZINES
Lyga, John W.
, p. 163 - 168 (2007/10/02)
1-Aryl-1,2,4-triazolin-5-ones are prepared from arylhydrazones of α-keto acids by treatment with diphenylphosphoryl azide.