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891849-41-5

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891849-41-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 891849-41-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,9,1,8,4 and 9 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 891849-41:
(8*8)+(7*9)+(6*1)+(5*8)+(4*4)+(3*9)+(2*4)+(1*1)=225
225 % 10 = 5
So 891849-41-5 is a valid CAS Registry Number.

891849-41-5Relevant articles and documents

Synthesis of o-Nitroarylamines via Ipso Nucleophilic Substitution of Sulfonic Acids

Manne, Srinivasa Rao,Chandra, Jyoti,Mandal, Bhubaneswar

supporting information, p. 636 - 639 (2019/01/21)

A mild, efficient, and eco-friendly method for the synthesis of o-nitroarylamine from o-nitroaryl sulfonic acid via ipso nucleophilic aryl substitution by amine is described. The products have been obtained with good yields at room temperature without the assistance of any metal, activating agent, or toxic oxidant. This method is useful for racemization-free synthesis of N-aryl amino acid esters.

FUSED HETEROCYCLIC COMPOUND AND USE THEREOF

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Page/Page column 243-244, (2010/11/17)

A fused heterocyclic compound of formula (1): wherein, A1 and A2 represent a nitrogen atom or the like, R1, R2, R3 and R4 represent a halogen atom or the like, R2 and R3 represent a halogen atom or the like, R5 represents a C1-C6 chain hydrocarbon group optionally substituted with one or more halogen atoms, or the like, R6 and R7 represent a C1-C4 chain hydrocarbon group substituted with one or more halogen atoms, or the like, and n represents 0 or 1, has an excellent noxious arthropod controlling effect.

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