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35452-49-4

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35452-49-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 35452-49-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,5,4,5 and 2 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 35452-49:
(7*3)+(6*5)+(5*4)+(4*5)+(3*2)+(2*4)+(1*9)=114
114 % 10 = 4
So 35452-49-4 is a valid CAS Registry Number.

35452-49-4Relevant articles and documents

Direct Reductive Amination of Carbonyl Compounds with H2 Using Heterogeneous Catalysts in Continuous Flow as an Alternative to N-Alkylation with Alkyl Halides

Laroche, Benjamin,Ishitani, Haruro,Kobayashi, Shū

, p. 4699 - 4704 (2018)

A general continuous-flow procedure for direct reductive amination of secondary and primary amines with aromatic and aliphatic aldehydes as well as ketones is reported. The use of hydrogen gas and commercially available Pt/C as a heterogeneous catalyst is a key. In addition to exhibiting an excellent functional group tolerance, this method allows the fast formation of C?N bonds without production of any hazardous chemical waste. Applications to the synthesis of key intermediates toward active pharmaceutical ingredients (Donepezil and Arformoterol/Tamsulosin) are also described. (Figure presented.).

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