158798-83-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 158798-83-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,8,7,9 and 8 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 158798-83:
(8*1)+(7*5)+(6*8)+(5*7)+(4*9)+(3*8)+(2*8)+(1*3)=205
205 % 10 = 5
So 158798-83-5 is a valid CAS Registry Number.
InChI:InChI=1/C20H31N3O4/c1-4-22-19(25)16(21)10-11-18(24)17(12-14(2)3)23-20(26)27-13-15-8-6-5-7-9-15/h5-9,14,16-17H,4,10-13,21H2,1-3H3,(H,22,25)(H,23,26)/t16?,17-/m0/s1