74723-17-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 74723-17-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,7,2 and 3 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 74723-17:
(7*7)+(6*4)+(5*7)+(4*2)+(3*3)+(2*1)+(1*7)=134
134 % 10 = 4
So 74723-17-4 is a valid CAS Registry Number.
InChI:InChI=1/C26H43NO9S/c1-14(4-7-22(30)27-13-23(31)32)17-5-6-18-24-19(12-21(26(17,18)3)36-37(33,34)35)25(2)9-8-16(28)10-15(25)11-20(24)29/h14-21,24,28-29H,4-13H2,1-3H3,(H,27,30)(H,31,32)(H,33,34,35)/t14-,15+,16-,17-,18?,19?,20-,21+,24?,25+,26-/m1/s1