32780-05-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 32780-05-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,2,7,8 and 0 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 32780-05:
(7*3)+(6*2)+(5*7)+(4*8)+(3*0)+(2*0)+(1*5)=105
105 % 10 = 5
So 32780-05-5 is a valid CAS Registry Number.
InChI:InChI=1/C20H26O8/c1-9-7-18-8-19(9,28)5-3-10(18)20(16(26)27)6-4-11(21)17(2,15(24)25)13(20)12(18)14(22)23/h10-13,21,28H,1,3-8H2,2H3,(H,22,23)(H,24,25)(H,26,27)/t10-,11+,12-,13-,17-,18+,19+,20-/m1/s1