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83287-28-9

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83287-28-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 83287-28-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,2,8 and 7 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 83287-28:
(7*8)+(6*3)+(5*2)+(4*8)+(3*7)+(2*2)+(1*8)=149
149 % 10 = 9
So 83287-28-9 is a valid CAS Registry Number.

83287-28-9Relevant articles and documents

Nickel-BINAP catalyzed enantioselective α-arylation of α-substituted γ-butyrolactones

Spielvogel, Dirk J.,Buchwald, Stephen L.

, p. 3500 - 3501 (2007/10/03)

A Ni(0)-BINAP system is utilized for the highly enantioselective α-arylation of α-substituted γ-butyrolactones with aryl chlorides and bromides. α-Quaternization is achieved in moderate to excellent yields. Furthermore, the rate accelerating effect caused by the addition of Zn(II) salts is investigated. Copyright

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