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(N-Methyl-hydrazino)-acetic acid benzyl ester; compound with trifluoro-acetic acid is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

142683-68-9

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142683-68-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 142683-68-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,2,6,8 and 3 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 142683-68:
(8*1)+(7*4)+(6*2)+(5*6)+(4*8)+(3*3)+(2*6)+(1*8)=139
139 % 10 = 9
So 142683-68-9 is a valid CAS Registry Number.

142683-68-9Relevant academic research and scientific papers

Stereoselective syntheses of the antibiotics (+)-negamycin and (-)-HON (RI-331)

Schmidt,Stabler,Lieberknecht

, p. 482 - 486 (1992)

The stereoselective syntheses of the antibiotics (-)-HON (5-hydroxy-4-oxo-L-norvaline, RI-331) and (+)-negamycin starting from (S)-4-[(Z)-2-(benzyloxycarbonylamino)-2-(tert-butoxycarbonyl)vinyl]-2, 2-dimethyl-1,3-dioxolane and (R)-3-benzyloxycarbonyl-5-[(Z)-2-(tert-butoxycarbonylamino)-2-(methoxy carbonyl) vinyl]-2,2-dimethyl-1,3-oxazolidine, respectively, are described.

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