87787-23-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 87787-23-3 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, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 87787-23:
(7*8)+(6*7)+(5*7)+(4*8)+(3*7)+(2*2)+(1*3)=193
193 % 10 = 3
So 87787-23-3 is a valid CAS Registry Number.