76993-55-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 76993-55-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,6,9,9 and 3 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 76993-55:
(7*7)+(6*6)+(5*9)+(4*9)+(3*3)+(2*5)+(1*5)=190
190 % 10 = 0
So 76993-55-0 is a valid CAS Registry Number.