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81233-51-4

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81233-51-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 81233-51-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,2,3 and 3 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 81233-51:
(7*8)+(6*1)+(5*2)+(4*3)+(3*3)+(2*5)+(1*1)=104
104 % 10 = 4
So 81233-51-4 is a valid CAS Registry Number.

81233-51-4Downstream Products

81233-51-4Relevant articles and documents

N,N-Dialkylamides of 2-Hydroxy-2-phenyl-cyclopropan-1-carboxylic Acid - Photochemical Synthesis and Determination of the Structure

Henning, H.-G.,Berlinghoff, R.,Mahlow, A.,Koeppel, H.,Schleinitz, K.-D.

, p. 914 - 918 (2007/10/02)

Irradiation of N,N-dialkylamides of β-benzoylpropionic acid 2a, b in ether by n,?*-excitation leads to the corresponding amides of the hitherto unknown 2-hydroxy-2-phenyl-cyclopropancarboxylic acid 3a, b, 4a, b.The photocyclization yields diast

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