80904-17-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 80904-17-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,9,0 and 4 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 80904-17:
(7*8)+(6*0)+(5*9)+(4*0)+(3*4)+(2*1)+(1*7)=122
122 % 10 = 2
So 80904-17-2 is a valid CAS Registry Number.
80904-17-2Relevant articles and documents
THE SYNTHESIS OF 4-VINYL-1,2,4-TRIAZOLES
Trzhtsinskaya, B. V.,Apakina, E. V.,Afonin, A. V.
, p. 834 - 836 (2007/10/02)
The reaction of 1,2,4-triazole and 5-methyl-1,2,4-triazole with acetylene gives 4-vinyl derivatives. 1,2,4-Triazole-3-thione and its 5-methyl derivative gives N4,S-divinyl monomers.
