1263281-42-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1263281-42-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,6,3,2,8 and 1 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1263281-42:
(9*1)+(8*2)+(7*6)+(6*3)+(5*2)+(4*8)+(3*1)+(2*4)+(1*2)=140
140 % 10 = 0
So 1263281-42-0 is a valid CAS Registry Number.