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82197-56-6

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82197-56-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 82197-56-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,1,9 and 7 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 82197-56:
(7*8)+(6*2)+(5*1)+(4*9)+(3*7)+(2*5)+(1*6)=146
146 % 10 = 6
So 82197-56-6 is a valid CAS Registry Number.
InChI:InChI=1/C22H18O7/c1-10-8-12-17(14(24)9-10)21(26)19-16(3-2-13(23)18(19)20(12)25)29-22-11-4-6-27-15(11)5-7-28-22/h2-4,8-9,15,22-24H,5-7H2,1H3

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