87787-39-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 87787-39-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,7,8 and 7 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 87787-39:
(7*8)+(6*7)+(5*7)+(4*8)+(3*7)+(2*3)+(1*9)=201
201 % 10 = 1
So 87787-39-1 is a valid CAS Registry Number.