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4H-1-Benzopyran-4-thione, 8-bromo-2-(4-methoxyphenyl)-6-methyl- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

140886-01-7

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140886-01-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 140886-01-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,0,8,8 and 6 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 140886-01:
(8*1)+(7*4)+(6*0)+(5*8)+(4*8)+(3*6)+(2*0)+(1*1)=127
127 % 10 = 7
So 140886-01-7 is a valid CAS Registry Number.

140886-01-7Relevant academic research and scientific papers

BENZO-γ-PYRONES, PART XIV. REACTION OF C-SUBSTITUTED 2-PHENYL-4H-1-BENZOPYRAN-4-ONES WITH HYDROXYLAMINE

Basinski, Wlodzimierz

, p. 1619 - 1632 (2007/10/02)

The reaction of C-6,7,8 (CH3, Br) and C-4' (OCH3) substituted flavones 1a-1f with hydroxylamine in anhydrous pyridine has been investigated.The oximes 2a-2f and isoxazoles 3a-3f were obtained.It has been established that the ratio of oxime to isoxazole de

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