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Acetic acid (2R,3R,4R,5R)-4-acetoxy-5-acetoxymethyl-2-[6-(4-methoxy-benzyl)-3-methyl-7-oxo-6,7-dihydro-pyrazolo[4,3-d]pyrimidin-1-yl]-tetrahydro-furan-3-yl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

89889-79-2

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89889-79-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 89889-79-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,8,8 and 9 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 89889-79:
(7*8)+(6*9)+(5*8)+(4*8)+(3*9)+(2*7)+(1*9)=232
232 % 10 = 2
So 89889-79-2 is a valid CAS Registry Number.

89889-79-2Relevant academic research and scientific papers

Pyrazolo[4,3-d]pyrimidine nucleosides. Synthesis and antiviral activity of 1-β-D-ribofuranosyl-3-methyl-6-substituted-7 H-pyrazolo[4,3-d]pyrimidin-7-ones

Baraldi,Simoni,Periotto,Manfredini,Guarneri,Manservigi,Cassai,Bertolasi

, p. 986 - 990 (2007/10/02)

N1 analogues of formycin B, with substituents at the 3 and 6 positions of the pyrazolo[4,3-d]pyrimidine moiety were synthesized by the direct SnCl4-catalyzed ribosylation method. The site of the glycosidic linkage and the anomeric co

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