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98086-73-8

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98086-73-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 98086-73-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,0,8 and 6 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 98086-73:
(7*9)+(6*8)+(5*0)+(4*8)+(3*6)+(2*7)+(1*3)=178
178 % 10 = 8
So 98086-73-8 is a valid CAS Registry Number.

98086-73-8Downstream Products

98086-73-8Relevant articles and documents

19-NORCARDENOLIDES

Makarevich, I. F.,Dikan', L. N.

, p. 67 - 71 (1985)

The products of the autooxidation of the cardenolides strophanthidin and erysimin in solutions have been studied.It has been established that the autooxidation of 19-oxocardenolides forms, together with 19-carboxylic acids, a complex mixture of 19-norcardenolides.The bulk of them consists of 10β-OH compounds and a smaller proportion of 10β-H compounds.Autooxidation affects both the functional group at C-10 and its transformation and also other groupings and bonds in ring A and, to some extent, in ring B, including the oxidation of the 3β-OH group, degradation of the 5β-OH group, and cleavage of the C5-C10 bond with the formation of 5,10-seco-19-norcardenolides.A possible mechanism of the formation of 19-norcardenolides is discussed.

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