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1438405-23-2

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1438405-23-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1438405-23-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,3,8,4,0 and 5 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1438405-23:
(9*1)+(8*4)+(7*3)+(6*8)+(5*4)+(4*0)+(3*5)+(2*2)+(1*3)=152
152 % 10 = 2
So 1438405-23-2 is a valid CAS Registry Number.

1438405-23-2Downstream Products

1438405-23-2Relevant academic research and scientific papers

A simple procedure to ditertiary phosphinocarboxylic acids and their bisphosphine oxides

Elsegood, Mark R. J.,Noble, Thomas A.,Talib, Salem,Smith, Martin B.

, p. 121 - 127 (2013/07/05)

A simple two-step route to a series of carboxylic acid functionalized ditertiary phosphine oxides is described, including the X-ray crystal structures of three representative examples namely {Ph2P(O)CH2} 2N(CH2)nCO2H (n = 3-5). Strong intermolecular O-H···O H-bonding is observed in all cases leading to distinct packing arrangements.

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