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1239670-94-0

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1239670-94-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1239670-94-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,9,6,7 and 0 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1239670-94:
(9*1)+(8*2)+(7*3)+(6*9)+(5*6)+(4*7)+(3*0)+(2*9)+(1*4)=180
180 % 10 = 0
So 1239670-94-0 is a valid CAS Registry Number.

1239670-94-0Relevant articles and documents

Synthesis and inhibitory activities of novel C-3 substituted azafagomines: A new type of selective inhibitors of α-l-fucosidases

Moreno-Clavijo, Elena,Carmona, Ana T.,Moreno-Vargas, Antonio J.,Rodriguez-Carvajal, Miguel A.,Robina, Inmaculada

experimental part, p. 4648 - 4660 (2010/08/07)

The synthesis of a novel aminomethyl C-3 substituted l-fuco-azafagomine and of its C-6 epimer from d-lyxose is reported. The key step of the synthesis is the introduction of the biimino (-NH-NH-) moiety by reductive hydrazination of a 1-deoxy-ketohexose with tert-butyl carbazate. The 3-aminomethyl-azafagomine derivatives were used as lead compounds in the generation of libraries of novel types of derivatives by attaching different hydrophobic groups on the aminomethyl substituent through amide linkages. These polyhydroxylated hexahydropyridazines can be viewed as a new type of diaza-C-glycoside analogues having a biimino (-NH-NH-) moiety. The conformational analysis and the glycosidase inhibitory properties of all the new C-3 substituted azafagomines synthesized are also reported. Those having l-fuco configuration have shown a selective inhibition of α-l-fucosidases.

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