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

100990-03-2

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100990-03-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 100990-03-2 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 3 respectively.
Calculate Digit Verification of CAS Registry Number 100990-03:
(8*1)+(7*0)+(6*0)+(5*9)+(4*9)+(3*0)+(2*0)+(1*3)=92
92 % 10 = 2
So 100990-03-2 is a valid CAS Registry Number.

100990-03-2Relevant 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 (2007/10/02)

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.

EFFICIENT PREPARATION OF POLYSUBSTITUTED 1,3-DIENES FROM α,α'-DIKETO SULFIDES

Nakayama, Juzo,Machida, Haruki,Saito, Ryuji,Akimoto, Keiichi,Hoshino, Masamatsu

, p. 1173 - 1176 (2007/10/02)

A series of polysubstituted 1,3-dienes were prepared in good overall yields in three steps starting from readily accessible α,α'-diketo sulfides.

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