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161161-69-9

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161161-69-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 161161-69-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,1,1,6 and 1 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 161161-69:
(8*1)+(7*6)+(6*1)+(5*1)+(4*6)+(3*1)+(2*6)+(1*9)=109
109 % 10 = 9
So 161161-69-9 is a valid CAS Registry Number.
InChI:InChI=1/C29H34O13/c1-13-22(34)21-16(30)9-17(15-7-5-4-6-8-15)40-27(21)14(2)26(13)42-28-25(37)24(36)23(35)18(41-28)12-39-20(33)11-29(3,38)10-19(31)32/h4-8,17-18,23-25,28,34-38H,9-12H2,1-3H3,(H,31,32)/t17-,18+,23+,24-,25+,28-,29?/m0/s1

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