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198904-08-4

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198904-08-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 198904-08-4 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 8 respectively.
Calculate Digit Verification of CAS Registry Number 198904-08:
(8*1)+(7*9)+(6*8)+(5*9)+(4*0)+(3*4)+(2*0)+(1*8)=184
184 % 10 = 4
So 198904-08-4 is a valid CAS Registry Number.
InChI:InChI=1/C35H48N6O7S/c1-7-23(4)30(39-35(46)48-6)31(43)37-27(19-24-11-9-8-10-12-24)28(42)21-41(40-32(44)29(22(2)3)38-34(45)47-5)20-25-13-15-26(16-14-25)33-36-17-18-49-33/h8-18,22-23,27-30,42H,7,19-21H2,1-6H3,(H,37,43)(H,38,45)(H,39,46)(H,40,44)/t23-,27-,28-,29-,30-/m0/s1

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