1577233-77-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1577233-77-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,7,7,2,3 and 3 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1577233-77:
(9*1)+(8*5)+(7*7)+(6*7)+(5*2)+(4*3)+(3*3)+(2*7)+(1*7)=192
192 % 10 = 2
So 1577233-77-2 is a valid CAS Registry Number.