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(E)-2-{N'-[(2R,3R,4R,5R)-2,3,4,5,6-Pentahydroxy-hex-(E)-ylidene]-N-phenyl-hydrazino}-but-2-enedioic acid dimethyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

77217-91-5

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77217-91-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 77217-91-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,2,1 and 7 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 77217-91:
(7*7)+(6*7)+(5*2)+(4*1)+(3*7)+(2*9)+(1*1)=145
145 % 10 = 5
So 77217-91-5 is a valid CAS Registry Number.

77217-91-5Downstream Products

77217-91-5Relevant academic research and scientific papers

REACTION OF D-MANNOSE ARYLHYDRAZONES WITH DIMETHYL ACETYLENEDICARBOXYLATE: SYNTHESIS OF PENTAHYDROXYPENTYLPYRAZOLES

Guillen, Manuel Gomez,Miguel, Luis M. Vazquez de,Jimenez, Jose Velazquez

, p. 51 - 58 (2007/10/02)

The reactions of D-mannose arylhydrazones with dimethyl acetylenedicarboxylate under acidic conditions afforded the respective pentahydroxypentylpyrazoles.With the phenyl- and p-tolyl-hydrazones, the respective enehydrazones were also obtained.The new pyr

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