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Phosphinic acid, butyl- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

97040-21-6

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97040-21-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 97040-21-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,7,0,4 and 0 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 97040-21:
(7*9)+(6*7)+(5*0)+(4*4)+(3*0)+(2*2)+(1*1)=126
126 % 10 = 6
So 97040-21-6 is a valid CAS Registry Number.

97040-21-6Upstream product

97040-21-6Relevant academic research and scientific papers

Single-stage synthesis of alkyl-H-phosphinic acids from elemental phosphorus and alkyl bromides

Gusarova, Nina K.,Sutyrina, Anastasiya O.,Kuimov, Vladimir A.,Malysheva, Svetlana F.,Belogorlova, Natalia A.,Volkov, Pavel A.,Trofimov, Boris A.

, p. 328 - 330 (2019/06/13)

Elemental phosphorus (red or white) reacts with alkyl bromides at 60–62 °C in the phase-transfer catalytic system KOH/H2O/PhMe/Et3BnNCl to afford alkyl-H-phosphinic acids in up to 47% yield.

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