683-55-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 683-55-6 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 6,8 and 3 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 683-55:
(5*6)+(4*8)+(3*3)+(2*5)+(1*5)=86
86 % 10 = 6
So 683-55-6 is a valid CAS Registry Number.