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34855-40-8

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34855-40-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 34855-40-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,4,8,5 and 5 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 34855-40:
(7*3)+(6*4)+(5*8)+(4*5)+(3*5)+(2*4)+(1*0)=128
128 % 10 = 8
So 34855-40-8 is a valid CAS Registry Number.

34855-40-8Downstream Products

34855-40-8Relevant articles and documents

Cationic Carbon to Nitrogen Rearrangements in the Reactions of N-(Sulfonyloxy)amines with Aldehydes

Hoffman, Robert V.,Salvador, James M.

, p. 4487 - 4490 (2007/10/02)

A series of aromatic and aliphatic aldehydes was reacted with N-((p-nitrobenzenesulfonyl)oxy)methylamine in chloroform.Products resulting from both carbon migration and hydride migration to nitrogen were isolated.The ratios of carbon to hydride migration products were used to clarify the reaction mechanism.The results support a two-step process in which cationic carbon to nitrogen rearrangements is rate determining.

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