1261156-27-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1261156-27-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,6,1,1,5 and 6 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1261156-27:
(9*1)+(8*2)+(7*6)+(6*1)+(5*1)+(4*5)+(3*6)+(2*2)+(1*7)=127
127 % 10 = 7
So 1261156-27-7 is a valid CAS Registry Number.