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1579997-20-8

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1579997-20-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1579997-20-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,7,9,9,9 and 7 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1579997-20:
(9*1)+(8*5)+(7*7)+(6*9)+(5*9)+(4*9)+(3*7)+(2*2)+(1*0)=258
258 % 10 = 8
So 1579997-20-8 is a valid CAS Registry Number.

1579997-20-8Downstream Products

1579997-20-8Relevant articles and documents

Asymmetric synthesis of P -stereogenic diarylphosphinites by palladium-catalyzed enantioselective addition of diarylphosphines to benzoquinones

Huang, Yinhua,Li, Yongxin,Leung, Pak-Hing,Hayashi, Tamio

, p. 4865 - 4868 (2014/04/17)

The reaction of phenyl(2,4,6-trimethylphenyl)phosphine with a substituted benzoquinone in the presence of a chiral phosphapalladacycle complex as a catalyst and triethylamine in chloroform at -45 °C proceeded in a new type of addition manner to give a high yield of a 4-hydroxyphenyl phenyl(2,4,6-trimethylphenyl)phosphinite with 98% enantioselectivity, which is a versatile intermediate readily convertible into various phosphines and their derivatives with high enantiomeric purity.

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