3136-53-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 3136-53-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,1,3 and 6 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 3136-53:
(6*3)+(5*1)+(4*3)+(3*6)+(2*5)+(1*3)=66
66 % 10 = 6
So 3136-53-6 is a valid CAS Registry Number.