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1,1,4,4-Tetrachloro-2,2-dimethyl-5-phenyl-spiro[2.2]pentane is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

55845-23-3

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55845-23-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 55845-23-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,8,4 and 5 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 55845-23:
(7*5)+(6*5)+(5*8)+(4*4)+(3*5)+(2*2)+(1*3)=143
143 % 10 = 3
So 55845-23-3 is a valid CAS Registry Number.

55845-23-3Downstream Products

55845-23-3Relevant academic research and scientific papers

REACTIONS OF CARBENES WITH DIENE AND POLYENE COMPOUNDS. XI. REACTION OF DICHLOROCARBENE WITH ALLENE HYDROCARBONS

Kostikov, R. R.,Vorob'eva, I. S.,Molchanov, A. P.

, p. 229 - 234 (2007/10/02)

The addition of dichlorocarbene to 1-phenyl-1,2-alkadienes takes place regioselectively at the most substituted multiple bond.On heating, the initial reaction products isomerize to the corresponding (dichloromethylene)cyclopropanes.

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