424-89-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 424-89-5 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 4,2 and 4 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 424-89:
(5*4)+(4*2)+(3*4)+(2*8)+(1*9)=65
65 % 10 = 5
So 424-89-5 is a valid CAS Registry Number.
InChI:InChI=1/C24H31ClO4/c1-13-10-19-17-12-21(25)20-11-16(28)6-8-22(20,4)18(17)7-9-23(19,5)24(13,14(2)26)29-15(3)27/h11-13,17-19H,6-10H2,1-5H3/t13-,17?,18+,19+,22?,23?,24+/m1/s1