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5-Methyl-3-phenylisoxazol-4-ylpenicillenic acid is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

131519-44-3

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131519-44-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 131519-44-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,5,1 and 9 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 131519-44:
(8*1)+(7*3)+(6*1)+(5*5)+(4*1)+(3*9)+(2*4)+(1*4)=103
103 % 10 = 3
So 131519-44-3 is a valid CAS Registry Number.

131519-44-3Upstream product

131519-44-3Relevant academic research and scientific papers

Isolation, Structure Elucidation, and Synthesis of Novel Penicillin Degradation Products: Thietan-2-ones

Ashline, Kirk A.,Attrill, Robin P.,Chess, Edward K.,Clayton, J. Peter,Cutmore, Ernest A.,et al.

, p. 1559 - 1566 (2007/10/02)

High-field nuclear magnetic resonance spectroscopy, mass spectrometry, infrared spectroscopy, and ultraviolet spectroscopy were used to determine the structures of two novel degradation productions of the penicillins sodium nafcillin (1) and sodium oxacil

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