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4-[4-(4-Methoxy-phenoxy)-but-2-ynyloxy]-chromen-2-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

120625-07-2

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120625-07-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 120625-07-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,0,6,2 and 5 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 120625-07:
(8*1)+(7*2)+(6*0)+(5*6)+(4*2)+(3*5)+(2*0)+(1*7)=82
82 % 10 = 2
So 120625-07-2 is a valid CAS Registry Number.

120625-07-2Relevant academic research and scientific papers

REGIOSELECTIVE SYNTHESIS OF 4-ARYLOXYMETHYL-2H-PYRANOBENZOPYRAN-5H-ONE FROM 1-ARYLOXY-4-BUT-2-YNE

Majumdar, K.C.,Das, D.P.,Khan, A.T.

, p. 2027 - 2036 (2007/10/02)

1-Aryloxy-4-(4'-coumarinyloxy)but-2-yne (1) on refluxing in chlorobenzene gave 4-aryloxymethyl-2H-pyranobenzopyran-5H-one as the single product in almost quantitave yield.All the eight butynes studied underwent sigmatropic rearrangement at t

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