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31079-89-7

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31079-89-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 31079-89-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,1,0,7 and 9 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 31079-89:
(7*3)+(6*1)+(5*0)+(4*7)+(3*9)+(2*8)+(1*9)=107
107 % 10 = 7
So 31079-89-7 is a valid CAS Registry Number.

31079-89-7Relevant articles and documents

Glycosyl Imidates, 18. - Regioselective Reactions of Partially Protected Sugars. Convenient Synthesis of 3,4-Diazido-3,4-dideoxy-L-arabinose from D-Arabinose

Schmidt, Richard R.,Faas, Michael,Jung, Karl-Heinz

, p. 1546 - 1556 (2007/10/02)

Benzyl β-D-arabinopyranoside (1) gave with 1.5 equivalents of mesyl chloride exclusively the 2,3-di-O-mesyl compound 2.Treatment with NaN3 in DMF caused inversion at C-2, C-3, and C-4 and yielded benzyl 3,4-diazido-3,4-dideoxy-α-L-arabinopyranoside (11).A

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