103232-21-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 103232-21-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,3,2,3 and 2 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 103232-21:
(8*1)+(7*0)+(6*3)+(5*2)+(4*3)+(3*2)+(2*2)+(1*1)=59
59 % 10 = 9
So 103232-21-9 is a valid CAS Registry Number.
InChI:InChI=1/C21H30O5/c1-20-7-6-13(24)8-12(20)2-3-14-15-4-5-16(18(26)10-22)21(15,11-23)9-17(25)19(14)20/h2,11,13-17,19,22,24-25H,3-10H2,1H3/t13-,14-,15-,16+,17-,19+,20-,21+/m0/s1