129724-46-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 129724-46-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,7,2 and 4 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 129724-46:
(8*1)+(7*2)+(6*9)+(5*7)+(4*2)+(3*4)+(2*4)+(1*6)=145
145 % 10 = 5
So 129724-46-5 is a valid CAS Registry Number.
InChI:InChI=1/C21H28O13/c1-31-14-6-10(2-4-11(14)23)3-5-16(26)34-15-9-33-21(20(30)19(15)29)32-8-13(25)18(28)17(27)12(24)7-22/h2-7,12-13,15,17-21,23-25,27-30H,8-9H2,1H3/b5-3+/t12-,13+,15+,17+,18+,19-,20+,21-/m0/s1