1268341-16-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1268341-16-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,6,8,3,4 and 1 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1268341-16:
(9*1)+(8*2)+(7*6)+(6*8)+(5*3)+(4*4)+(3*1)+(2*1)+(1*6)=157
157 % 10 = 7
So 1268341-16-7 is a valid CAS Registry Number.