131749-23-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 131749-23-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,7,4 and 9 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 131749-23:
(8*1)+(7*3)+(6*1)+(5*7)+(4*4)+(3*9)+(2*2)+(1*3)=120
120 % 10 = 0
So 131749-23-0 is a valid CAS Registry Number.
InChI:InChI=1/C22H32O9/c1-22-6-4-12-11-5-7-28-8-10(11)2-3-13(12)15(22)14(9-29-22)30-21-18(25)16(23)17(24)19(31-21)20(26)27/h8,11-19,21,23-25H,2-7,9H2,1H3,(H,26,27)/t11?,12?,13?,14-,15?,16-,17-,18+,19-,21+,22-/m0/s1