5671-88-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 5671-88-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,6,7 and 1 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 5671-88:
(6*5)+(5*6)+(4*7)+(3*1)+(2*8)+(1*8)=115
115 % 10 = 5
So 5671-88-5 is a valid CAS Registry Number.