Cas 55830-04-1,2-bromo-1-phenyl-2-buten-1-one

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Check Digit Verification of cas no

The CAS Registry Mumber 55830-04-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,8,3 and 0 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 55830-04:
(7*5)+(6*5)+(5*8)+(4*3)+(3*0)+(2*0)+(1*4)=121
121 % 10 = 1
So 55830-04-1 is a valid CAS Registry Number.

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55830-04-1Relevant academic research and scientific papers

Trifluoromethanesulfonic anhydride-promoted α-bromination of ketones with Grignard reagent or magnesium bromide

Nishiyama,Ono,Kurokawa,Kimura

, p. 1999 - 2002 (2000)

The direct α-bromination of various ketones using trifluoromethanesulfonic anhydride and Grignard reagent or magnesium bromide in ether gave the corresponding α-bromo ketones in moderate to good yields under mild reaction conditions.

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