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177932-89-7

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177932-89-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 177932-89-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,7,9,3 and 2 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 177932-89:
(8*1)+(7*7)+(6*7)+(5*9)+(4*3)+(3*2)+(2*8)+(1*9)=187
187 % 10 = 7
So 177932-89-7 is a valid CAS Registry Number.
InChI:InChI=1/C33H36N4O3.CH4O3S/c34-27-15-7-13-25(17-27)21-36-29(19-23-9-3-1-4-10-23)31(38)32(39)30(20-24-11-5-2-6-12-24)37(33(36)40)22-26-14-8-16-28(35)18-26;1-5(2,3)4/h1-18,29-32,38-39H,19-22,34-35H2;1H3,(H,2,3,4)/t29-,30-,31+,32+;/m1./s1

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