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55240-30-7

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55240-30-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 55240-30-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,2,4 and 0 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 55240-30:
(7*5)+(6*5)+(5*2)+(4*4)+(3*0)+(2*3)+(1*0)=97
97 % 10 = 7
So 55240-30-7 is a valid CAS Registry Number.

55240-30-7Downstream Products

55240-30-7Relevant articles and documents

Photocatalytic Intramolecular C-H Amination Using N-Oxyureas as Nitrene Precursors

Ivanovich, Ryan A.,Polat, Dilan E.,Beauchemin, André M.

supporting information, p. 6360 - 6364 (2020/09/02)

Nitrenes are remarkable high-energy chemical species that enable direct C-N bond formation, typically via controlled reactions of metal-stabilized nitrenes. Here, in contrast, the combined use of photocatalysis with careful engineering of the precursor enabled C-H amination forming imidazolidinones and related nitrogen heterocycles from readily accessible hydroxylamine precursors. Preliminary mechanistic results are consistent with the formation of free carbamoyl triplet nitrenes as reactive intermediates.

Process for the preparation of 1-4-disubstituted-5 (4H)-tetrazolinones

-

, (2008/06/13)

1,4-Disubstituted-5(4H)-tetrazolinones of the formula (I) STR1 wherein R1, R2 and R3 have the meanings given in the specification), which are known to be useful as herbicides, can be obtained in very good yields by reacting the corresponding 1-substituted-5(4H)-tetrazolinones with the corresponding carbamoyl chlorides in the presence of 4-dimethylaminopyridine.

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