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73087-65-7

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73087-65-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 73087-65-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,0,8 and 7 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 73087-65:
(7*7)+(6*3)+(5*0)+(4*8)+(3*7)+(2*6)+(1*5)=137
137 % 10 = 7
So 73087-65-7 is a valid CAS Registry Number.

73087-65-7Relevant articles and documents

Reductive Cleavage of Arylcyclopropyl Ketones

Murphy, William S.,Wattanasin, Sompong

, p. 1445 - 1452 (2007/10/02)

Arylcyclopropyl aryl ketones undergo clean but slow reductive cleavage to 4-arylbutyrophenones when heated with zinc in ethanol.Replacement of one the aryl groups by an alkyl group strongly inhibits reaction.This effect is in part overcome by the use of a higher boiling alcohol.When substituted at the cyclopropyl methylene position by an ethoxycarbonyl group these cyclopropyl ketones also undergo cleavage but with the unexpected formation of the ethyl 3,5-diaryl-5-oxopentanoates (22).In general, the results are consistent with the formation of an anion-radical intermediate.

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