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94324-54-6

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94324-54-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 94324-54-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,4,3,2 and 4 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 94324-54:
(7*9)+(6*4)+(5*3)+(4*2)+(3*4)+(2*5)+(1*4)=136
136 % 10 = 6
So 94324-54-6 is a valid CAS Registry Number.

94324-54-6Downstream Products

94324-54-6Relevant articles and documents

1,4-Addition of Triazolium Thiolates to Quinones.

Altland, Henry W.,Briffa, Barry F.

, p. 433 - 437 (2007/10/02)

In the presence of aprotic acid, 1,2,4-triazolium-3-thiolates 1 undergo 1,4-Michael additions to quinones to fortm the corresponding thioether-substituted hydroquinones salts 2.When, however, tetrafluoroboric acid is added to a stirred aqueous suspension of triazolium thiolate 1a and p-benzoquinone, the 2,5-bis(triazolium thiolate) adduct 6, rather than the expected monoadduct 5, is isolated.Since o-quinones are extremely reactive and often difficult to isolate, they can be generated in situ by oxidation of the corresponding catechols with hydrogen peroxide in the presence of a protic acid and then trapped by a triazolium thiolate to form thioether hydroquinone salts 8.Triazolium thiolate 1a adds to a 1,4-naphtoquinone imine to give the (triazoliothio)-4-(benzenesulfonamido)-1-naphtolsalt 11.Triazoliotioquinone tetrafluoroborates 16, which can be isolated as crystalline yellow salts, are rapidly formed by oxidation of the corresponding hydroquinone salts 2 with nitrosonium tetrafluoroborate in acetonitrile.

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