1156583-05-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1156583-05-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,5,6,5,8 and 3 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1156583-05:
(9*1)+(8*1)+(7*5)+(6*6)+(5*5)+(4*8)+(3*3)+(2*0)+(1*5)=159
159 % 10 = 9
So 1156583-05-9 is a valid CAS Registry Number.