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23367-36-4

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23367-36-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 23367-36-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,3,3,6 and 7 respectively; the second part has 2 digits, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 23367-36:
(7*2)+(6*3)+(5*3)+(4*6)+(3*7)+(2*3)+(1*6)=104
104 % 10 = 4
So 23367-36-4 is a valid CAS Registry Number.

23367-36-4Relevant articles and documents

Iridium-Catalyzed Hydrochlorination and Hydrobromination of Alkynes by Shuttle Catalysis

Yu, Peng,Bismuto, Alessandro,Morandi, Bill

supporting information, p. 2904 - 2910 (2020/01/25)

Described herein are two different methods for the synthesis of vinyl halides by a shuttle catalysis based iridium-catalyzed transfer hydrohalogenation of unactivated alkynes. The use of 4-chlorobutan-2-one or tert-butyl halide as donors of hydrogen halides allows this transformation in the absence of corrosive reagents, such as hydrogen halides or acid chlorides, thus largely improving the functional-group tolerance and safety profile of these reactions compared to the state-of-the-art. This method has granted access to alkenyl halide compounds containing acid-sensitive groups, such as tertiary alcohols, silyl ethers, and acetals. The synthetic value of those methodologies has been demonstrated by gram-scale synthesis where low catalyst loading was achieved.

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