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2533-31-5

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2533-31-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 2533-31-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,5,3 and 3 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 2533-31:
(6*2)+(5*5)+(4*3)+(3*3)+(2*3)+(1*1)=65
65 % 10 = 5
So 2533-31-5 is a valid CAS Registry Number.
InChI:InChI=1/C18H16ClN3O2/c1-20-16(23)11-22-15-8-7-13(19)9-14(15)18(21-10-17(22)24)12-5-3-2-4-6-12/h2-9H,10-11H2,1H3,(H,20,23)

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