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2-[O2,O3-isopropylidene-O5-(4-nitro-benzoyl)-α-D-ribofuranosyl]-3-oxo-pentanedioic acid diethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

57274-20-1

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57274-20-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 57274-20-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,2,7 and 4 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 57274-20:
(7*5)+(6*7)+(5*2)+(4*7)+(3*4)+(2*2)+(1*0)=131
131 % 10 = 1
So 57274-20-1 is a valid CAS Registry Number.

57274-20-1Upstream product

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