1297278-26-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1297278-26-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,9,7,2,7 and 8 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1297278-26:
(9*1)+(8*2)+(7*9)+(6*7)+(5*2)+(4*7)+(3*8)+(2*2)+(1*6)=202
202 % 10 = 2
So 1297278-26-2 is a valid CAS Registry Number.