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5,6-dibenzoyl-2-methyl-4-(4-nitro-phenyl)-1-phenyl-7-oxa-2-aza-bicyclo[2.2.1]hept-5-en-3-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

54953-23-0

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54953-23-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 54953-23-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,9,5 and 3 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 54953-23:
(7*5)+(6*4)+(5*9)+(4*5)+(3*3)+(2*2)+(1*3)=140
140 % 10 = 0
So 54953-23-0 is a valid CAS Registry Number.

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