306-88-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 306-88-7 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 3,0 and 6 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 306-88:
(5*3)+(4*0)+(3*6)+(2*8)+(1*8)=57
57 % 10 = 7
So 306-88-7 is a valid CAS Registry Number.