63645-15-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 63645-15-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,3,6,4 and 5 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 63645-15:
(7*6)+(6*3)+(5*6)+(4*4)+(3*5)+(2*1)+(1*5)=128
128 % 10 = 8
So 63645-15-8 is a valid CAS Registry Number.