142997-58-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 142997-58-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,2,9,9 and 7 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 142997-58:
(8*1)+(7*4)+(6*2)+(5*9)+(4*9)+(3*7)+(2*5)+(1*8)=168
168 % 10 = 8
So 142997-58-8 is a valid CAS Registry Number.
InChI:InChI=1/C17H20INO/c1-13-12-15(18)8-9-16(13)20-17(10-11-19-2)14-6-4-3-5-7-14/h3-9,12,17,19H,10-11H2,1-2H3/t17-/m1/s1/i18-2