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87432-82-4

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87432-82-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 87432-82-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,4,3 and 2 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 87432-82:
(7*8)+(6*7)+(5*4)+(4*3)+(3*2)+(2*8)+(1*2)=154
154 % 10 = 4
So 87432-82-4 is a valid CAS Registry Number.

87432-82-4Downstream Products

87432-82-4Relevant articles and documents

Direct, Regiospecific 2-Lithiation of Pyridines and Pyridine 1-Oxides with in Situ Electrophilic Trapping

Taylor, Stephen L.,Lee, David Y.,Martin, J. C.

, p. 4156 - 4158 (1983)

Efficient synthetic routes to 2-substituted pyridines and 2,6-disubstituted pyridine 1-oxides involving direct lithiation with the sterically hindered base lithium 2,2,6,6-tetramethylpiperidide (LiTMP) in the presence of electrophiles that are compatible with the base, e.g., trimethylsilyl chloride (Me3SiCl) and hexafluoroacetone (HFA), are described.

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