562-21-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 562-21-0 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 5,6 and 2 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 562-21:
(5*5)+(4*6)+(3*2)+(2*2)+(1*1)=60
60 % 10 = 0
So 562-21-0 is a valid CAS Registry Number.
InChI:InChI=1/C24H30O6/c1-21-7-5-16-17(6-9-23(28)11-15(26)4-8-22(16,23)13-25)24(21)19(30-24)10-18(21)14-2-3-20(27)29-12-14/h2-3,12-13,15-19,26,28H,4-11H2,1H3/t15-,16?,17?,18+,19+,21+,22-,23-,24+/m0/s1