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99532-55-5

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99532-55-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 99532-55-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,5,3 and 2 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 99532-55:
(7*9)+(6*9)+(5*5)+(4*3)+(3*2)+(2*5)+(1*5)=175
175 % 10 = 5
So 99532-55-5 is a valid CAS Registry Number.

99532-55-5Relevant articles and documents

Preparation of 2,3-Disubstituted Indoles from Indole-3-carboxylic Acids and Amides by α-Deprotonation

Buttery, Cheryl D.,Jones, Richard G.,Knight, David W.

, p. 1425 - 1432 (2007/10/02)

Direct deprotonations have been used to obtain the 2(α)-lithiated indole-3-carboxylate dianions 8 and 14, together with the related 2(α)-lithiated indole-3-carboxamide monoanions 18 and 20b from the parent compounds.These four intermediates are useful for

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