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75772-19-9

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75772-19-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 75772-19-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,7,7 and 2 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 75772-19:
(7*7)+(6*5)+(5*7)+(4*7)+(3*2)+(2*1)+(1*9)=159
159 % 10 = 9
So 75772-19-9 is a valid CAS Registry Number.

75772-19-9Downstream Products

75772-19-9Relevant articles and documents

Base Treatment of Benzylic Selenonium Salts. Sigmatropic Rearrangements vs. Nucleophilic Displacement

Gassman, Paul G.,Miura, Takashi,Mossman, Allen

, p. 558 - 559 (1980)

Treatment of certain benzylic selenonium salts with a variety of bases resulted in nucleophilic attack to yield either an alkylation or a benzylation of the base, while the use of sodium amide in liquid ammonia as base generated a selenonium ylide which gave ortho substitution of the benzyl group via sigmatropic rearrangement.

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