74504-49-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 74504-49-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,5,0 and 4 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 74504-49:
(7*7)+(6*4)+(5*5)+(4*0)+(3*4)+(2*4)+(1*9)=127
127 % 10 = 7
So 74504-49-7 is a valid CAS Registry Number.
InChI:InChI=1/C31H55N5O9/c1-9-10-11-12-13-23-19(6)31(44)36(8)22(14-17(2)3)28(41)34-25(18(4)5)30(43)33-21(16-37)27(40)35-26(20(7)38)29(42)32-15-24(39)45-23/h17-23,25-26,37-38H,9-16H2,1-8H3,(H,32,42)(H,33,43)(H,34,41)(H,35,40)