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18685-21-7

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18685-21-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 18685-21-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,6,8 and 5 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 18685-21:
(7*1)+(6*8)+(5*6)+(4*8)+(3*5)+(2*2)+(1*1)=137
137 % 10 = 7
So 18685-21-7 is a valid CAS Registry Number.

18685-21-7Relevant articles and documents

D-Galactofuranosylphosphonates. First Synthesis of UDP-C-D-galactofuranose

Kovensky, Jose,McNeil, Michael,Sinay, Pierre

, p. 6202 - 6205 (1999)

The chemical synthesis of two phosphono analogues of D-galactofuranosyl phosphate was performed. The natural phosphate seemed to be too labile to allow the chemical synthesis of UDP-Galf, these C-galactofuranosides are stable pharmacophores, and the α-phosphono analogue has been easily converted into UDP-C-Galf. UDP-C-Galf was tested as a competitive inhibitor of UDP-galactopyranose mutase and showed inhibition of Galf formation. Thus, it is of potential interest as an antimycobacterial agent; as an active molecule against Trypanosoma cruzi, the causative agent of South American trypanosomiasis (Chagas' disease), and as a stable analogue for use in UDP-galactopyranose mutase crystallization studies.

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