157476-77-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 157476-77-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,7,4,7 and 6 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 157476-77:
(8*1)+(7*5)+(6*7)+(5*4)+(4*7)+(3*6)+(2*7)+(1*7)=172
172 % 10 = 2
So 157476-77-2 is a valid CAS Registry Number.
InChI:InChI=1/C33H58N10O9/c1-17(2)25(41-28(47)20-10-7-15-37-20)31(50)42-26(19(4)44)32(51)40-22(9-5-6-14-34)33(52)43-16-8-11-23(43)30(49)39-21(12-13-24(35)45)29(48)38-18(3)27(36)46/h17-23,25-26,37,44H,5-16,34H2,1-4H3,(H2,35,45)(H2,36,46)(H,38,48)(H,39,49)(H,40,51)(H,41,47)(H,42,50)/t18-,19-,20+,21+,22+,23+,25+,26+/m1/s1