1227161-38-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1227161-38-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,7,1,6 and 1 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1227161-38:
(9*1)+(8*2)+(7*2)+(6*7)+(5*1)+(4*6)+(3*1)+(2*3)+(1*8)=127
127 % 10 = 7
So 1227161-38-7 is a valid CAS Registry Number.