1158781-22-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1158781-22-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,5,8,7,8 and 1 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1158781-22:
(9*1)+(8*1)+(7*5)+(6*8)+(5*7)+(4*8)+(3*1)+(2*2)+(1*2)=176
176 % 10 = 6
So 1158781-22-6 is a valid CAS Registry Number.