123442-26-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 123442-26-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,3,4,4 and 2 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 123442-26:
(8*1)+(7*2)+(6*3)+(5*4)+(4*4)+(3*2)+(2*2)+(1*6)=92
92 % 10 = 2
So 123442-26-2 is a valid CAS Registry Number.
InChI:InChI=1/C22H22O13/c1-32-11-2-7(21-19(30)17(28)14-9(25)4-8(24)5-10(14)33-21)3-12(15(11)26)34-22-20(31)18(29)16(27)13(6-23)35-22/h2-5,13,16,18,20,22-27,29-31H,6H2,1H3/t13-,16-,18+,20-,22-/m1/s1