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183016-40-2

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183016-40-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 183016-40-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,3,0,1 and 6 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 183016-40:
(8*1)+(7*8)+(6*3)+(5*0)+(4*1)+(3*6)+(2*4)+(1*0)=112
112 % 10 = 2
So 183016-40-2 is a valid CAS Registry Number.

183016-40-2Downstream Products

183016-40-2Relevant articles and documents

The acidic cleavage of pyridylmethyl(amino)phosphonates. Formation of the corresponding amines

Boduszek, Bogdan

, p. 12483 - 12494 (2007/10/03)

Hydrolysis of 3-pyridylmethyl(amino)phosphonates by means of 20% aq. hydrochloric acid gave corresponding 3-pyridimethyl(amino)phosphonic acids, as expected. However, hydrolysis of 2- and 4-pyridylmethyl(amino)phosphonates led to decomposition of the phosphonates with a cleavage of C-P bond and formation of the corresponding amines. The leaving phosphorus moiety was identified as phosphoric acid. The scope of the reaction is limited to 2- and 4-pyridylmethyl derivatives of aminophosphonic acids and their esters, as well as to the derivatives possessing similar structure. On the contrary, the basic hydrolysis of 2- and 4-pyridylmethyl(amino)phosphonates led to the corresponding monoalkyl esters of the aminophosphonates, and no cleavage of C-P bond was observed in those cases.

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