41631-58-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 41631-58-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,1,6,3 and 1 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 41631-58:
(7*4)+(6*1)+(5*6)+(4*3)+(3*1)+(2*5)+(1*8)=97
97 % 10 = 7
So 41631-58-7 is a valid CAS Registry Number.