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6β-amino-penicillanic acid benzoyloxymethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

42945-97-1

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42945-97-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 42945-97-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,9,4 and 5 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 42945-97:
(7*4)+(6*2)+(5*9)+(4*4)+(3*5)+(2*9)+(1*7)=141
141 % 10 = 1
So 42945-97-1 is a valid CAS Registry Number.

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