1171587-07-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1171587-07-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,7,1,5,8 and 7 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1171587-07:
(9*1)+(8*1)+(7*7)+(6*1)+(5*5)+(4*8)+(3*7)+(2*0)+(1*7)=157
157 % 10 = 7
So 1171587-07-7 is a valid CAS Registry Number.