41987-12-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 41987-12-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,1,9,8 and 7 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 41987-12:
(7*4)+(6*1)+(5*9)+(4*8)+(3*7)+(2*1)+(1*2)=136
136 % 10 = 6
So 41987-12-6 is a valid CAS Registry Number.