109974-32-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 109974-32-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,9,7 and 4 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 109974-32:
(8*1)+(7*0)+(6*9)+(5*9)+(4*7)+(3*4)+(2*3)+(1*2)=155
155 % 10 = 5
So 109974-32-5 is a valid CAS Registry Number.
InChI:InChI=1/C22H28O13/c1-8-3-2-4-9-14(8)10(5-13(24)32-9)33-22-20(30)18(28)16(26)12(35-22)7-31-21-19(29)17(27)15(25)11(6-23)34-21/h2-5,11-12,15-23,25-30H,6-7H2,1H3/t11-,12-,15-,16-,17-,18-,19-,20-,21-,22-/m1/s1