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3,4-diphenyl-5-methoxycarbonyl-6-methoxypyran-2-thione is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

77022-25-4

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77022-25-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 77022-25-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,0,2 and 2 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 77022-25:
(7*7)+(6*7)+(5*0)+(4*2)+(3*2)+(2*2)+(1*5)=114
114 % 10 = 4
So 77022-25-4 is a valid CAS Registry Number.

77022-25-4Downstream Products

77022-25-4Relevant academic research and scientific papers

REACTION OF PYRIDINIUM BIS(METHOXYCARBONYL)METHYLID WITH DIPHENYLCYCLOPROPENETHIONE: A REVISED STRUCTURE FOR ONE OF THE PRODUCTS

Matsumoto, Kiyoshi,Uchida, Takane,Yagi, Yoshiko,Tahara, Hiroshi,Acheson, R. Morrin

, p. 2041 - 2043 (2007/10/02)

A structure for one product from the reaction of pyridinium bis(methoxycarbonyl)methylid and diphenylcyclopropanethione is revised to be 5,5-bis(methoxycarbonyl)-2,3,6,7-tetraphenyl-5H-thienothiopyrane

REACTION OF PYRIDINIUM DISUBSTITUTED METHYLIDES WITH DIPHENYLCYCLOPROPENETHIONE

Matsumoto, Kiyoshi,Ikemi, Yukio

, p. 1445 - 1448 (2007/10/02)

Diphenylcyclopropenethione undergoes nucleophilic attack by pyridinium disubstituted ylides (1a-e) to produce the corresponding indeno-2-thiopyrone (3), 2-pyrone (5 or 10), 1-thio-2-pyrone (6, 8, 11 or 12), and/or 2-thiopyrone (4) derivatives.

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