57765-27-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 57765-27-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,7,6 and 5 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 57765-27:
(7*5)+(6*7)+(5*7)+(4*6)+(3*5)+(2*2)+(1*7)=162
162 % 10 = 2
So 57765-27-2 is a valid CAS Registry Number.