959631-58-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 959631-58-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,5,9,6,3 and 1 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 959631-58:
(8*9)+(7*5)+(6*9)+(5*6)+(4*3)+(3*1)+(2*5)+(1*8)=224
224 % 10 = 4
So 959631-58-4 is a valid CAS Registry Number.