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2,3-Dimethyl-4,5-diphenyl-2,5-dihydro-thiophene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

100990-06-5

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100990-06-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 100990-06-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,0,9,9 and 0 respectively; the second part has 2 digits, 0 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 100990-06:
(8*1)+(7*0)+(6*0)+(5*9)+(4*9)+(3*0)+(2*0)+(1*6)=95
95 % 10 = 5
So 100990-06-5 is a valid CAS Registry Number.

100990-06-5Relevant academic research and scientific papers

GENERAL SYNTHESIS OF 2,5-DIHYDROTHIOPHENES (3-THIOLENES) FROM DIKETO SULFIDES

Nakayama, Juzo,Machida, Haruki,Hoshino, Masamatsu

, p. 1981 - 1982 (1985)

The intramolecular reductive coupling reaction of easily accesible diketo sulfides by a low-valent titanium reagent (prepared from titanium(IV) chloride and zinc powder) provides an efficient general synthesis of 2,5-dihydrothiophenes.

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