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91368-88-6

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91368-88-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 91368-88-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,3,6 and 8 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 91368-88:
(7*9)+(6*1)+(5*3)+(4*6)+(3*8)+(2*8)+(1*8)=156
156 % 10 = 6
So 91368-88-6 is a valid CAS Registry Number.

91368-88-6Downstream Products

91368-88-6Relevant articles and documents

277. Structure and Chemistry of Malonylmethyl- and Succinyl-Radicals. The Search for Homolytic 1,2-Rearrangements

Aeberhard, Urs,Keese, Reinhart,Stamm, Erich,Voegeli, Ulrich-Christian,Lau, Willy,Kochi, Jay Kazuo

, p. 2740 - 2759 (1983)

Malonylmethyl radical I and its thioester analogue II were generated by standard photolytic and thermolytic methods from perester and bromo precursors.The structures of I and II were examined by ESR spectroscopy and found to exist in preferred conformations.However, no indication for their rearrangement by 1,2-shift of either an ethoxycarboxyl or (ethylthio)carbonyl group to the corresponding succinyl radicals III and IV, respectively, was found at temperatures below -40 deg C.At higher temperatures of up to 140 deg C, the search for malonylmethyl -> succinyl rearrangement was examined by thorough-product analysis of the perester decomposition.There is evidence for the rearrangement of the radical I to III by photolysis and of the radical II to IV by thermolysis at 130 deg C in chlorobenzene to only a small extent.

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