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259196-28-6

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259196-28-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 259196-28-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,9,1,9 and 6 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 259196-28:
(8*2)+(7*5)+(6*9)+(5*1)+(4*9)+(3*6)+(2*2)+(1*8)=176
176 % 10 = 6
So 259196-28-6 is a valid CAS Registry Number.

259196-28-6Downstream Products

259196-28-6Relevant articles and documents

Convenient synthesis of adamantyl-substituted β -lactams via uncatalyzed staudinger reaction

Liu, Mingshun,Chen, Yaqing,Fu, Nanyan

, p. 1055 - 1062 (2013)

A series of C3-position adamantyl-substituted β-lactams were synthesized via uncatalyzed Staudinger reaction between adamantylketene generated by thermal Wolff rearrangement of the corresponding diazo ketone and various imines. The stereochemical outcome of the reaction was mainly the formation of trans-products, a result attributed to a two-step mechanism leading to the most stable products.

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