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4-Oxo-pentanoic acid (2R,3R,4R,5R)-5-(4-benzoylamino-2-oxo-2H-pyrimidin-1-yl)-4-(tert-butyl-dimethyl-silanyloxy)-2-[(4-methoxy-phenyl)-diphenyl-methoxymethyl]-tetrahydro-furan-3-yl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

75666-58-9

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75666-58-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 75666-58-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,6,6 and 6 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 75666-58:
(7*7)+(6*5)+(5*6)+(4*6)+(3*6)+(2*5)+(1*8)=169
169 % 10 = 9
So 75666-58-9 is a valid CAS Registry Number.

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