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42558-77-0

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42558-77-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 42558-77-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,5,5 and 8 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 42558-77:
(7*4)+(6*2)+(5*5)+(4*5)+(3*8)+(2*7)+(1*7)=130
130 % 10 = 0
So 42558-77-0 is a valid CAS Registry Number.
InChI:InChI=1/C13H17Cl2NO3/c14-6-8-16(9-7-15)11-3-1-2-4-12(11)19-10-5-13(17)18/h1-4H,5-10H2,(H,17,18)

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