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172039-09-7

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172039-09-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 172039-09-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,2,0,3 and 9 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 172039-09:
(8*1)+(7*7)+(6*2)+(5*0)+(4*3)+(3*9)+(2*0)+(1*9)=117
117 % 10 = 7
So 172039-09-7 is a valid CAS Registry Number.

172039-09-7Downstream Products

172039-09-7Relevant articles and documents

Synthesis and reactions of 1-(5-azido-5-deoxy-3-O-p-toluenesulfonyl-β-D-xylofuranosyl) derivatives of 5-alkyl- and 5-halo-pyrimidines

Al-Masoudi, Najim A.,Pfleiderer, W.

, p. 95 - 106 (2007/10/02)

Chemical syntheses of 1-(2-O-acetyl-5-azido--5-deoxy-3-O-p-toluenesulfonyl-β-D-xylofuranosyl)-5-iodo,- -5-fluoro-, and -5-trifluoromethyl-uracil nucleosides (11-13) as well as the thymine analogue 10 were performed from a sugar precursor and the correspon

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