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91230-88-5

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91230-88-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 91230-88-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,2,3 and 0 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 91230-88:
(7*9)+(6*1)+(5*2)+(4*3)+(3*0)+(2*8)+(1*8)=115
115 % 10 = 5
So 91230-88-5 is a valid CAS Registry Number.

91230-88-5Relevant academic research and scientific papers

Thermal Stereomutations of (2R,3R)-Phenylcyclopropane-1,2,3-2H3 and (1R,2S,3R)-Phenylcyclopropane-2-13C-1,2,3-2H3: Quantification of All Four Stereochemical Modes for Interconversions among the 1-Phenyl-1,2,3-trideuterocyclopropanes

Baldwin, John E.,Barden, Timothy C.

, p. 5312 - 5319 (1984)

Optically pure (2R,3R)-phenylcyclopropane-1,2,3-2H3 and (1R,2S,3R)-phenylcyclopropane-2-13C-1,2,3-2H3 have been prepared and the thermal stereomutations they exhibit have been followed kinetically at 309.3 deg C to provide the first complete quantificatio

Rearrangement of indene skeletons under mild conditions

Kuninobu, Yoichiro,Ueda, Hirokazu,Kawata, Atsushi,Takai, Kazuhiko

, p. 6749 - 6752 (2008/02/11)

(Chemical Equation Presented) Isomerization between two isomers of 1,2-disubstituted 3-aminoindenes occurs via the rearrangement of indene frameworks. In contrast to previous rearrangements of indene derivatives, which occur under high-temperature conditi

The carbonyl group as a reluctant transmitter of hyperconjugative or ?-? spin-spin coupling interactions in derivatives of benzaldehyde, acetophenone, and benzophenone

Schaeffer, Ted,Peeling, James,Penner, Glenn H.,Lemire, Alberta,Laatikainen, Reino

, p. 1859 - 1863 (2007/10/02)

Unlike their counterparts in anisole or toluene derivatives, the six-bond spin-spin coupling constants bentween para ring protons or (19)F nuclei and protons or (13)C nuclei in the sidechain of derivatives of benzaldehyde, acetophenone, and benzophenone c

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