139742-29-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 139742-29-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,7,4 and 2 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 139742-29:
(8*1)+(7*3)+(6*9)+(5*7)+(4*4)+(3*2)+(2*2)+(1*9)=153
153 % 10 = 3
So 139742-29-3 is a valid CAS Registry Number.
InChI:InChI=1/C34H57NO7/c1-17-6-9-27(35(5)15-17)19(3)21-7-8-22-23(18(21)2)13-25-24(22)14-28(37)26-12-20(10-11-34(25,26)4)41-33-32(40)31(39)30(38)29(16-36)42-33/h17-27,29-33,36,38-40H,6-16H2,1-5H3/t17-,18-,19?,20-,21+,22+,23-,24-,25-,26+,27+,29+,30+,31-,32+,33-,34+/m0/s1