198904-04-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 198904-04-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,8,9,0 and 4 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 198904-04:
(8*1)+(7*9)+(6*8)+(5*9)+(4*0)+(3*4)+(2*0)+(1*4)=180
180 % 10 = 0
So 198904-04-0 is a valid CAS Registry Number.
InChI:InChI=1/C35H48N6O7S/c1-7-48-35(46)39-30(23(4)5)32(44)40-41(20-25-13-15-26(16-14-25)33-36-17-18-49-33)21-28(42)27(19-24-11-9-8-10-12-24)37-31(43)29(22(2)3)38-34(45)47-6/h8-18,22-23,27-30,42H,7,19-21H2,1-6H3,(H,37,43)(H,38,45)(H,39,46)(H,40,44)/t27-,28-,29-,30-/m0/s1