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702-90-9

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702-90-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 702-90-9 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 7,0 and 2 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 702-90:
(5*7)+(4*0)+(3*2)+(2*9)+(1*0)=59
59 % 10 = 9
So 702-90-9 is a valid CAS Registry Number.

702-90-9Relevant articles and documents

Synthesis, thermal, mass and ab initio analyses of cyclopropane-1,1,2- tricarboxylic acid

Taoana,Holme,Bariyanga

, p. 173 - 178 (2007/10/03)

The preparation of cyclopropane-1,1,2-tricarboxylic acid from cyanoacetic acid and 2,3-dibropropionic acid has been done in one-step procedure in alkaline medium. The compound has been characterized, by nuclear magnetic resonance, mass spectrometry, and t

CYCLOPROPANE-1,1 prime -INDENES.

Baldwin,Black

, p. 1029 - 1040 (2007/10/02)

The relative concentrations of stereoisomers in product mixtures were determined as a function of time by using a combination of analytical techniques: vapor phase chromatography, polarimetry, NMR spectroscopy, and NMR spectroscopy in the presence of an optically active lanthanide shift reagent. The stereochemical reaction kinetics reveal that the Smith mechanism is not a plausible model for one-center epimerization; two trimethylenes, produced through two distinct cyclopropane C-C bond cleavages, are implicated, since all three possible one-center epimerizations are seen.

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