1271301-11-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1271301-11-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,7,1,3,0 and 1 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1271301-11:
(9*1)+(8*2)+(7*7)+(6*1)+(5*3)+(4*0)+(3*1)+(2*1)+(1*1)=101
101 % 10 = 1
So 1271301-11-1 is a valid CAS Registry Number.