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92569-10-3

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92569-10-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 92569-10-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,2,5,6 and 9 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 92569-10:
(7*9)+(6*2)+(5*5)+(4*6)+(3*9)+(2*1)+(1*0)=153
153 % 10 = 3
So 92569-10-3 is a valid CAS Registry Number.

92569-10-3Relevant articles and documents

Oxalylhydrazides as oxidation products of analgesic pyrazolinones

Weber,Bresser

, p. 152 - 155 (2007/10/03)

In contrast to antipyrine (1a) and isopropylantipyrine (1b) the amino-substituted pyrazolinones 4-aminoantipyrine (1d), 4-methylaminoantipyrine (1e), 4-isopropylaminoantipyrine (1f) and dipyrone (1g) as well as 4-hydroxyantipyrine (1e) can be cleaved into

Ring Opening of 3(2H)-Pyrazolones by Oxidation with Periodate

Weber, Horst,Wollenberg, Eva

, p. 551 - 553 (2007/10/02)

In contrast to the aminopyrazolones 1 the pyrazolones 3 and 5 are stable against singlet oxygen.However, no difference is observed in reaction of the title compounds 1, 3 and 5 with sodium metaperiodate forming the oxidation products 2, 4 and 6, respectively.The (1)H- and (13)C-nmr-spectra of 4 as well as those of 2 are complex due to the existence of rotameric isomers at room temperature.

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