956-53-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 956-53-6 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 9,5 and 6 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 956-53:
(5*9)+(4*5)+(3*6)+(2*5)+(1*3)=96
96 % 10 = 6
So 956-53-6 is a valid CAS Registry Number.