169737-23-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 169737-23-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,9,7,3 and 7 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 169737-23:
(8*1)+(7*6)+(6*9)+(5*7)+(4*3)+(3*7)+(2*2)+(1*3)=179
179 % 10 = 9
So 169737-23-9 is a valid CAS Registry Number.
InChI:InChI=1/C38H50N2O4/c1-23(2)24(3)13-14-25(4)33-17-18-34-27(10-9-19-38(33,34)6)20-35-32-21-29(44-26(5)41)16-15-28(32)22-39-36(42)30-11-7-8-12-31(30)37(43)40(35)39/h7-8,11-14,20,23-25,29,33-35H,9-10,15-19,21-22H2,1-6H3/b14-13+,27-20+/t24-,25+,29+,33?,34?,35?,38+/m0/s1