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5-amino-1-(O2,O3-isopropylidene-β-D-ribofuranosyl)-1H-imidazole-4-carboxylic acid 2,4-dinitro-phenyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

16749-68-1

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16749-68-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 16749-68-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,6,7,4 and 9 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 16749-68:
(7*1)+(6*6)+(5*7)+(4*4)+(3*9)+(2*6)+(1*8)=141
141 % 10 = 1
So 16749-68-1 is a valid CAS Registry Number.

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