57966-38-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 57966-38-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,9,6 and 6 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 57966-38:
(7*5)+(6*7)+(5*9)+(4*6)+(3*6)+(2*3)+(1*8)=178
178 % 10 = 8
So 57966-38-8 is a valid CAS Registry Number.