82490-90-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 82490-90-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,4,9 and 0 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 82490-90:
(7*8)+(6*2)+(5*4)+(4*9)+(3*0)+(2*9)+(1*0)=142
142 % 10 = 2
So 82490-90-2 is a valid CAS Registry Number.
82490-90-2Relevant articles and documents
N-SULPHONYLFORMAMIDRAZONES; PREPARATION AND STRUCTURE
Jakobsen, P.,Treppendahl, S.
, p. 369 - 372 (2007/10/02)
Potentially tautomeric N-sulphonylformamidrazones and models with fixed amide-hydrazone and hydrazide-imide structure have been prepared.The compounds with tautomeric possibilities have been shown to exist only in the amide-hydrazone form by 13C and 1H NM
