1071558-27-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1071558-27-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,7,1,5,5 and 8 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1071558-27:
(9*1)+(8*0)+(7*7)+(6*1)+(5*5)+(4*5)+(3*8)+(2*2)+(1*7)=144
144 % 10 = 4
So 1071558-27-4 is a valid CAS Registry Number.