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108199-45-7

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108199-45-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 108199-45-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,8,1,9 and 9 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 108199-45:
(8*1)+(7*0)+(6*8)+(5*1)+(4*9)+(3*9)+(2*4)+(1*5)=137
137 % 10 = 7
So 108199-45-7 is a valid CAS Registry Number.

108199-45-7Downstream Products

108199-45-7Relevant articles and documents

AZO ANIONS IN SYNTHESIS. PT 1. t-BUTYLHYDRAZONES AS ACYL-ANION EQUIVALENTS

Baldwin, Jack E.,Adlington, Robert M.,Bottaro, Jeffrey C.,Kolhe, Jayant N.,Perry, Matthew W. D.,Jain, Ashok U.

, p. 4223 - 4234 (2007/10/02)

The lithium salts of aldehyde t-butylhydrazones react with electrophiles (aldehydes, ketones, alkyl halides, crotonates) to form C-trapped t-butylazo-compounds; tautomerisation and hydrolysis gave α-hydroxy ketones, ketones, and γ-keto esters in good yield, thereby providing a convenient new acyl-anion equivalent.Reaction of these lithium salts with aldehydes and ketones, followed by elimination provided a new route to azo alkenes.

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