4631-75-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 4631-75-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,6,3 and 1 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 4631-75:
(6*4)+(5*6)+(4*3)+(3*1)+(2*7)+(1*5)=88
88 % 10 = 8
So 4631-75-8 is a valid CAS Registry Number.