22687-88-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 22687-88-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,6,8 and 7 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 22687-88:
(7*2)+(6*2)+(5*6)+(4*8)+(3*7)+(2*8)+(1*8)=133
133 % 10 = 3
So 22687-88-3 is a valid CAS Registry Number.