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94055-23-9

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94055-23-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 94055-23-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,4,0,5 and 5 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 94055-23:
(7*9)+(6*4)+(5*0)+(4*5)+(3*5)+(2*2)+(1*3)=129
129 % 10 = 9
So 94055-23-9 is a valid CAS Registry Number.

94055-23-9Downstream Products

94055-23-9Relevant articles and documents

INVESTIGATION IN THE REGION OF THIOSULFONIC ACIDS. XXXII. REACTION OF ARYL ESTERS OF THIOSULFONIC ACIDS WITH SUBSTANCES CONTAINING AN ACTIVE METHYLENE GROUP

Boldyrev, B. G.,Aristarkhova, L. N.,Stoyanovskaya, Ya. I.,Bilozor, T. K.

, p. 1160 - 1167 (2007/10/02)

The reactions of the aryl esters of thisulfonic acids with diethyl malonate, ethyl acetoacetate, ethyl cyanoacetate, and acetylacetone in the presence of sodium alcoholates were investigated at various temperatures.Without heat the reaction takes place with the formation of sulfinates and arenesufenic esters, which form their thio derivatives when heated with substances containing an active methylene group in the presence of sodium alcoholates.It was thus demonstrated that under the investigated conditions thioarylating characteristics are exhibited not by the aryl esters of the thiosulfonic acids but by the esters of arenesufenic acids formed as the initial products of these reactions.

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