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1375083-20-7

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1375083-20-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1375083-20-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,7,5,0,8 and 3 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1375083-20:
(9*1)+(8*3)+(7*7)+(6*5)+(5*0)+(4*8)+(3*3)+(2*2)+(1*0)=157
157 % 10 = 7
So 1375083-20-7 is a valid CAS Registry Number.

1375083-20-7Downstream Products

1375083-20-7Relevant articles and documents

Regio- and Stereospecific Copper-Catalyzed Substitution Reaction of Propargylic Ammonium Salts with Aryl Grignard Reagents

Guisán-Ceinos, Manuel,Martín-Heras, Victor,Tortosa, Mariola

supporting information, p. 8448 - 8451 (2017/07/06)

We have developed a copper-catalyzed substitution reaction of propargylic ammonium salts with aryl Grignard reagents. The reaction is stereospecific and α-regioselective and proceeds with exceptional functional group tolerance. Conveniently, a stable, inexpensive, and commercially available copper salt is used and no added ligand is required.

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