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50482-89-8

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50482-89-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 50482-89-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,0,4,8 and 2 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 50482-89:
(7*5)+(6*0)+(5*4)+(4*8)+(3*2)+(2*8)+(1*9)=118
118 % 10 = 8
So 50482-89-8 is a valid CAS Registry Number.

50482-89-8Downstream Products

50482-89-8Relevant articles and documents

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Wang,Cohen

, p. 4688,4691 (1960)

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Tetraethylammonium bromide catalysed phase transfer reaction of potassium superoxide with hydrazones and tosylhydrazones

Kumar,Singh

, p. 579 - 583 (2007/10/03)

A variety of hydrazones and tosylhydrazones of carbonyl compounds have been investigated under the mild reaction conditions of potassium superoxide and tetraethylammonium bromide in dry dimethylformamide. As a result, hydrazones are generally transformed to their corresponding azines whereas tosylhydrazones undergo facile fragmentation to give the olefinic products in fairly good yields. The study highlights the use of tetraethylammonium bromide as an efficient and inexpensive catalyst for superoxide studies.

REGIOSELECTIVE MONOALKYLATION OF THE VICINAL cis-DIOL GROUP IN MANNOPYRANOSIDES USING DIARYLDIAZOALKANES-TIN(II) CHLORIDE

Petursson, Sigthor,wEbber, John M.

, p. 41 - 52 (2007/10/02)

Highly regioselective monoalkylations of the cis-2,3-diol group in mannopyranosides can be achieved with diaryldiazoalkanes in the presence of catalytic amounts of tin(II) chloride.With diazo(diphenyl)methane (1), its 4,4'-dimethyl (2) and 4,4'-dichloro (

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