69736-57-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 69736-57-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,9,7,3 and 6 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 69736-57:
(7*6)+(6*9)+(5*7)+(4*3)+(3*6)+(2*5)+(1*7)=178
178 % 10 = 8
So 69736-57-8 is a valid CAS Registry Number.