1283688-51-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1283688-51-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,8,3,6,8 and 8 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1283688-51:
(9*1)+(8*2)+(7*8)+(6*3)+(5*6)+(4*8)+(3*8)+(2*5)+(1*1)=196
196 % 10 = 6
So 1283688-51-6 is a valid CAS Registry Number.