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28354-22-5

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28354-22-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 28354-22-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,3,5 and 4 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 28354-22:
(7*2)+(6*8)+(5*3)+(4*5)+(3*4)+(2*2)+(1*2)=115
115 % 10 = 5
So 28354-22-5 is a valid CAS Registry Number.
InChI:InChI=1/C9H10N2/c1-8-3-2-4-9(7-8)11-6-5-10/h2-4,7,11H,6H2,1H3

28354-22-5Relevant articles and documents

Cyanoacetic Acid as a Masked Electrophile: Transition-Metal-Free Cyanomethylation of Amines and Carboxylic Acids

Wang, Hongxiang,Shao, Ying,Zheng, Hao,Wang, Hanghang,Cheng, Jiang,Wan, Xiaobing

supporting information, p. 18333 - 18337 (2015/12/24)

Using cyanoacetic acid as a masked electrophile, a new cyanomethylation reaction of amines and carboxylic acids was developed, producing a variety of α-aminonitriles and cyanomethyl esters with good yields and excellent functionality tolerance. This protocol features simple manipulation, inexpensive reagents, and a wide substrate scope. Iodoacetonitrile was generated in situ from the iodination-decarboxylation of cyanoacetic acid in this transformation.

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