126491-98-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 126491-98-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,6,4,9 and 1 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 126491-98:
(8*1)+(7*2)+(6*6)+(5*4)+(4*9)+(3*1)+(2*9)+(1*8)=143
143 % 10 = 3
So 126491-98-3 is a valid CAS Registry Number.