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69875-38-3

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69875-38-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 69875-38-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,9,8,7 and 5 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 69875-38:
(7*6)+(6*9)+(5*8)+(4*7)+(3*5)+(2*3)+(1*8)=193
193 % 10 = 3
So 69875-38-3 is a valid CAS Registry Number.

69875-38-3Downstream Products

69875-38-3Relevant articles and documents

1,3-Dipolar Character of Six-membered Aromatic Rings. Part 52. 2?+8? Cycloaddition Reactions of 1-Substituted 3-Oxidopyridinium Betaines

Katritzky, Alan R.,Cutler, Alan T.,Dennis, Nicolas,Sabongi, Gebran J.,Rahimi-Rastgoo, Soheila,et al.

, p. 1176 - 1184 (2007/10/02)

Dichloroketen and a series of aryl(bromo)ketens react with various 1-substituted 3-oxidopyridiniums to give novel bicyclic compounds by addition across the C(4)-O and the C(2)-O positions.Frontier-MO theory is used to rationalise the orientation of these cycloadditions.Acid-catalysed hydrolysis of the C(2)-O adducts (9) yielded 3-hydroxy-2-benzylpyridines.

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