74627-31-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 74627-31-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,6,2 and 7 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 74627-31:
(7*7)+(6*4)+(5*6)+(4*2)+(3*7)+(2*3)+(1*1)=139
139 % 10 = 9
So 74627-31-9 is a valid CAS Registry Number.
InChI:InChI=1/C24H31N5O/c1-27-6-8-29(9-7-27)24(30)17(13-25)10-16-11-20-19-4-3-5-21-23(19)18(14-26-21)12-22(20)28(2)15-16/h3-5,14,16-17,20,22,26H,6-12,15H2,1-2H3/t16-,17?,20?,22-/m1/s1