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1620777-59-4

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1620777-59-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1620777-59-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,2,0,7,7 and 7 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1620777-59:
(9*1)+(8*6)+(7*2)+(6*0)+(5*7)+(4*7)+(3*7)+(2*5)+(1*9)=174
174 % 10 = 4
So 1620777-59-4 is a valid CAS Registry Number.

1620777-59-4Downstream Products

1620777-59-4Relevant articles and documents

Novel tartrate-based guanidines for enantioselective fluorination of 1,3-Dicarbonyl and α-cyano carbonyl compounds

Zou, Liwei,Bao, Xiaoze,Zhang, Huanrui,Song, Yuming,Qu, Jingping,Wang, Baomin

, p. 1115 - 1118 (2014)

A novel library of chiral guanidines featuring the tartaric acid skeleton is easily accessed with tunable steric and electronic properties. A guanidine molecule of this library with an incorporated 2,6-diisoaniline fragment was identified as a suitable promoter for the enantioselective fluorination of 1,3-dicarbonyl and α-cyano carbonyl compounds to furnish the fluorinated product with up to 84% ee and 99% yield using N-fluorobenzenesulfonimide (NFSI) as the fluorinating agent. CSIRO 2014.

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