140231-40-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 140231-40-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,0,2,3 and 1 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 140231-40:
(8*1)+(7*4)+(6*0)+(5*2)+(4*3)+(3*1)+(2*4)+(1*0)=69
69 % 10 = 9
So 140231-40-9 is a valid CAS Registry Number.
InChI:InChI=1/C31H46O8/c1-26(25(38)39-6)9-11-31(24(36)37)12-10-29(4)17(18(31)14-26)13-19(33)22-27(2)15-20(34)23(35)28(3,16-32)21(27)7-8-30(22,29)5/h13,18,20-23,32,34-35H,7-12,14-16H2,1-6H3,(H,36,37)/t18-,20+,21?,22-,23+,26-,27+,28+,29-,30-,31+/m1/s1