1145658-58-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1145658-58-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,4,5,6,5 and 8 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1145658-58:
(9*1)+(8*1)+(7*4)+(6*5)+(5*6)+(4*5)+(3*8)+(2*5)+(1*8)=167
167 % 10 = 7
So 1145658-58-7 is a valid CAS Registry Number.