1255517-77-1 Usage
Uses
UNC 0638 is a useful intermediate.
Check Digit Verification of cas no
The CAS Registry Mumber 1255517-77-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,5,5,1 and 7 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1255517-77:
(9*1)+(8*2)+(7*5)+(6*5)+(5*5)+(4*1)+(3*7)+(2*7)+(1*7)=161
161 % 10 = 1
So 1255517-77-1 is a valid CAS Registry Number.