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2-phenylsulfinyl-3-phenylsulfonyl-1,3-butadiene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

85540-19-8

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85540-19-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 85540-19-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,5,5,4 and 0 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 85540-19:
(7*8)+(6*5)+(5*5)+(4*4)+(3*0)+(2*1)+(1*9)=138
138 % 10 = 8
So 85540-19-8 is a valid CAS Registry Number.

85540-19-8Relevant academic research and scientific papers

2,3-DI(PHENYLSULFINYL)-1,3-BUTADIENE VIA A DOUBLE -SIGMATROPIC REARRANGEMENT OF THE BIS-SULFENATE ESTER OF 2-BUTYNE-1,4-DIOL.

Jeganathan, S.,Okamura, William H.

, p. 4763 - 4764 (1982)

A one-step conversion of butyne-1,4-diol (1) to 2,3-di(phenylsulfinyl)-1,3-butadiene (4) and the conversion of this bis-sulfoxide to the sulfoxide-sulfone 6 and the bis-sulfone 5 are reported.

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