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benzyl 6-chloro-6-phenylselenylpenicillanate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

74481-20-2

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74481-20-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 74481-20-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,4,8 and 1 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 74481-20:
(7*7)+(6*4)+(5*4)+(4*8)+(3*1)+(2*2)+(1*0)=132
132 % 10 = 2
So 74481-20-2 is a valid CAS Registry Number.

74481-20-2Relevant academic research and scientific papers

Preparation and reduction of 6-phenylselenylpenicillanates. A stereoselective synthesis of 6β-substituted penicillanates

Giddings, Peter J.,D, Ivor John,Thomas, Eric J.

, p. 399 - 402 (1980)

The preparation and tri-n-butyltin hydride reduction of benzyl 6-chloro-6-phenyl-selenyl- and benzyl 6,6-bis(phenylselenyl)penicillanates, and related compounds, is discussed.

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