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173009-66-0

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173009-66-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 173009-66-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,3,0,0 and 9 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 173009-66:
(8*1)+(7*7)+(6*3)+(5*0)+(4*0)+(3*9)+(2*6)+(1*6)=120
120 % 10 = 0
So 173009-66-0 is a valid CAS Registry Number.

173009-66-0Relevant articles and documents

Reaction kinetics and mechanism of acid-catalyzed anomerization of 1-O-acetyl-2,3,5-tri-O-benzoyl-l-ribofuranose

Forsman, Jonas J.,Waerna, Johan,Murzin, Dmitry Yu.,Leino, Reko

body text, p. 1102 - 1109 (2009/09/05)

The mechanism of the acid-catalyzed anomerization of 1-O-acetyl-2,3,5-O-benzoyl-α- and -β-l-ribofuranoses in different acetic acid-acetic anhydride mixtures was investigated. The progress of the reactions was followed by NMR spectroscopy and the rate cons

Synthesis of peracylated derivatives of L-ribofuranose from D-ribose and their use for the preparation of β-L-ribonucleosides

Sivets, Grigorii G.,Klennitskaya, Tatjana V.,Zhernosek, Elena V.,Mikhailopulo, Igor A.

, p. 253 - 259 (2007/10/03)

A practical synthesis of peracylated derivatives of β-L-ribofuranose 13-15 from D-ribose was accomplished in 6 steps (total yield: 30-45percent). Compound 13 was employed for the preparation of 1-(β-L-ribofuranosyl)thymine (16) and -cytosine (17), which are key intermediates for the preparation of the nucleoside derivatives with β-L-configuration. Simultaneous transformation of 17 into β-L-ddC (19) and β-L-3′dC (20) was studied.

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