57788-50-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 57788-50-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,7,8 and 8 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 57788-50:
(7*5)+(6*7)+(5*7)+(4*8)+(3*8)+(2*5)+(1*0)=178
178 % 10 = 8
So 57788-50-8 is a valid CAS Registry Number.