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42226-36-8

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42226-36-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 42226-36-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,2,2 and 6 respectively; the second part has 2 digits, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 42226-36:
(7*4)+(6*2)+(5*2)+(4*2)+(3*6)+(2*3)+(1*6)=88
88 % 10 = 8
So 42226-36-8 is a valid CAS Registry Number.

42226-36-8Downstream Products

42226-36-8Relevant articles and documents

Improved Synthesis of Asymmetrical Substituted 1 H-1,2,4-Diazaphospholes

Liu, Qiaoyun,Wu, Jing,Li, Junfei,Wang, Junwen,Zheng, Wenjun,Roesky, Herbert W.

supporting information, p. 1455 - 1466 (2015/10/29)

The reaction of tris(trimethylsilyl)phosphine and a mixture of two different N,N-dimethylalkylamides (1a,b), followed by the treatment with dry hydrazine in situ, resulted in seven asymmetrical 3,5-disubstituted 1H-1,2,4-diazaphospholes (3a-g). Compounds

Phosphorus Compounds with Unusual Coordination, 31. Cycloaddition of Diazo Compounds onto a P - Chloro-phosphaalkene

Schnurr, Werner,Regitz, Manfred

, p. 1285 - 1292 (2007/10/02)

Chloro bis(trimethylsilyl)methylene phosphane (4) reacts with the diazo compounds 5, 10, 15 and 20 even at low temperatures with formation of the 3H-1,2,4-diazaphospholes 6, 11, 16 and 21.The products are unstable and decompose either with elimination of nitrogen to yield 1-chlorophosphiranes (9, 14, 19 and 22), or isomerize with aromatization (11-->13) or transformation into 4,5-dihydro-1,2,4-diazaphospholes (6-->8, 16-->18) by trimethylsilyl shifts.Silyl groups attached to ring nitrogen are easily hydrolized (8-->7, 13-->12, 18-->17), those attached to ring carbon are cleaved by treatment with potassium fluoride in dimethyl formamide (7-->23, 12-->24). - Keywords: Chloro-methylene Phosphanes, Diazo Compounds, 1,2,4-Diazaphospholes, 1-Chlorophosphiranes

1H-1,2,4-Diazaphosphole ueber 2-Phosphaallylchloride

Schmidpeter, Alfred,Willhalm, Angela

, p. 901 - 902 (2007/10/02)

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