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2,2''-dimethyl-5,5''-diphenyl-2',5'-dihydro-[3,3';4',3'']terthiophene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

888743-91-7

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888743-91-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 888743-91-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,8,8,7,4 and 3 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 888743-91:
(8*8)+(7*8)+(6*8)+(5*7)+(4*4)+(3*3)+(2*9)+(1*1)=247
247 % 10 = 7
So 888743-91-7 is a valid CAS Registry Number.

888743-91-7Downstream Products

888743-91-7Relevant academic research and scientific papers

3,4-Bis(5-iodo-2-methylthien-3-yl)-2,5-dihydrothiophene: A powerful synthon for the preparation of photochromic dithienylethene derivatives

Xie, Nan,Zeng, De Xing,Chen, Yi

, p. 737 - 740 (2007/10/03)

A dithienylethene synthon, 3,4-bis-(5-iodo-2-methylthien-3-yl)-2,5- dihydrothiophene, was prepared and used as a starting material for the preparation of several photochromic dithienylethene derivatives via Suzuki cross-coupling reactions. The dithienylethene synthon was stable once stored in the dark at room temperature. Georg Thieme Verlag Stuttgart.

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