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138913-61-8

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138913-61-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 138913-61-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,9,1 and 3 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 138913-61:
(8*1)+(7*3)+(6*8)+(5*9)+(4*1)+(3*3)+(2*6)+(1*1)=148
148 % 10 = 8
So 138913-61-8 is a valid CAS Registry Number.
InChI:InChI=1/C30H44O3/c1-17-23-19(33-25(17)32)16-27(4)14-15-29(6)18(24(23)27)8-9-21-28(5)12-11-22(31)26(2,3)20(28)10-13-30(21,29)7/h18-21,23-24H,1,8-16H2,2-7H3/t18-,19+,20+,21-,23?,24+,27+,28+,29-,30-/m1/s1

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