51283-55-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 51283-55-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,1,2,8 and 3 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 51283-55:
(7*5)+(6*1)+(5*2)+(4*8)+(3*3)+(2*5)+(1*5)=107
107 % 10 = 7
So 51283-55-7 is a valid CAS Registry Number.