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929-24-8

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929-24-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 929-24-8 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 9,2 and 9 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 929-24:
(5*9)+(4*2)+(3*9)+(2*2)+(1*4)=88
88 % 10 = 8
So 929-24-8 is a valid CAS Registry Number.

929-24-8Upstream product

929-24-8Downstream Products

929-24-8Relevant articles and documents

A comparison between the acid-catalysed reactions of some dihydroxamic acids, monohydroxamic acids and desferal

Ghosh, Kallol K.,Patle, Shyam Kumar,Sharma, Pokhraj,Rajput, Surendra Kumar

, p. 283 - 290 (2003)

A kinetic study on the hydrolysis of some dihydroxamic acids HOHNOC-(CH2)n-CONHOH (n = 0, oxalo, [ODHA]; n = 1 malono [MDHA]; and n = 2, succino, [SDHA] dihydroxamic acids) in aqueous mineral acids is reported. A comparison of the kinetic data with those from the hydrolysis of simple monohydroxamic acid, (acetohydroxamic acid [AHA] CH3CONHOH, benzohydroxamic acid [BHA] C6H5CONHOH) and the natural trihydroxamate-based siderophore desferal (DFB) revealed that the hydrolytic stability sequence of the compounds is generally: BHA > ODHA > MDHA > DFB > AHA > SDHA. An excess acidity analysis reveals that the reaction involving a pre-equilibrium protonation was followed by a rate determining A-2 type nucleophilic attack of water molecule on the protonated substrate. An attempt has been made to study protonation equilibria.

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