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97327-34-9

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97327-34-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 97327-34-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,7,3,2 and 7 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 97327-34:
(7*9)+(6*7)+(5*3)+(4*2)+(3*7)+(2*3)+(1*4)=159
159 % 10 = 9
So 97327-34-9 is a valid CAS Registry Number.

97327-34-9Upstream product

97327-34-9Downstream Products

97327-34-9Relevant articles and documents

Syntheses of β-D-Arabinofuranooxa(thia)zolidines

Skaric, Vinko,Matulic-Adamic, Jasenka

, p. 779 - 784 (2007/10/02)

Treatment of 2,2'-anhydro-1-(3,5-diacetoxy-β-D-arabinofuranosyl)-5,6-dihydrouracil (13) and its 2-thio analogue (17) with refluxing 80percent AcOH gives 3-propionamido-(3,5-diacetoxy-1,2-dideoxy-β-D-arabinofurano)oxazolidin-2-one (15) and 3-carboxyethyl-(3,5-diacetoxy-1,2-dideoxy β-D-arabinofurano)thiazolidin-2-imine (24), respectively.While the appearance of compound (15) indicates the occurence of an unusual C(2)-N(3) bond cleavage of (13) the 2-thio analogue (17) yields compound (24), the product of an N(3)-C(4) ring opening.The latter product gives first methoxycarbonylethyl(3,5-diacetoxy-1,2-dideoxy-β-D-arabinofurano)thiazolidine-2-imine hydrochloride (26) by reaction with methanolic HCl and subsequently the corresponding thiazolidin-2-thione (27) on reaction with H2S in DMF.The synthesis of the 1-(3,5-diacetoxy-2-acetylthio-β-D-arabinofuranosyl) derivative of 2-O-methyl-5,6-dihydrouracil (22) and 5,6-dihydroisocytosine (23) is also described.

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