76552-51-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 76552-51-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,6,5,5 and 2 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 76552-51:
(7*7)+(6*6)+(5*5)+(4*5)+(3*2)+(2*5)+(1*1)=147
147 % 10 = 7
So 76552-51-7 is a valid CAS Registry Number.