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80186-90-9

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80186-90-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 80186-90-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,1,8 and 6 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 80186-90:
(7*8)+(6*0)+(5*1)+(4*8)+(3*6)+(2*9)+(1*0)=129
129 % 10 = 9
So 80186-90-9 is a valid CAS Registry Number.
InChI:InChI=1/C16H16O5/c1-16(2)6-5-12(21-16)8-7-11(19)13-9(17)3-4-10(18)14(13)15(8)20/h3-4,7,12,17-18H,5-6H2,1-2H3

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