1277180-72-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1277180-72-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,7,7,1,8 and 0 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1277180-72:
(9*1)+(8*2)+(7*7)+(6*7)+(5*1)+(4*8)+(3*0)+(2*7)+(1*2)=169
169 % 10 = 9
So 1277180-72-9 is a valid CAS Registry Number.