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1-Isocyano-4-methoxy-2-methylbenzene is an organic compound with the chemical formula C9H9NO. It is a derivative of anisole, featuring an isocyanate group at the 1-position, a methoxy group at the 4-position, and a methyl group at the 2-position on the benzene ring. 1-isocyano-4-methoxy-2-methylbenzene is known for its potential applications in the synthesis of various pharmaceuticals and agrochemicals due to its unique structure. It is a colorless to pale yellow liquid with a characteristic aromatic odor. The compound is sensitive to moisture and should be stored under dry conditions to prevent hydrolysis of the isocyanate group. It is also important to handle 1-isocyano-4-methoxy-2-methylbenzene with care due to its potential toxicity and reactivity.

1930-89-8

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1930-89-8 Usage

Physical state

Clear, colorless to light yellow liquid.

Odor

Pungent.

Uses

Production of various polymers (e.g., polyurethane foams and coatings), building block in the synthesis of pharmaceuticals and agrochemicals.

Reactivity

Reactive compound.

Health hazards

Can cause irritation to the skin, eyes, and respiratory tract upon exposure.

Safety measures

Appropriate safety measures should be taken when handling anisole isocyanate.

Check Digit Verification of cas no

The CAS Registry Mumber 1930-89-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,9,3 and 0 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1930-89:
(6*1)+(5*9)+(4*3)+(3*0)+(2*8)+(1*9)=88
88 % 10 = 8
So 1930-89-8 is a valid CAS Registry Number.

1930-89-8Relevant academic research and scientific papers

Screw Sense Selective Polymerization of Achiral Isocyanides Catalysed by Optically Active Nickel(II) Complexes

Kamer, Paul C. J.,Nolte, Roeland J. M.,Drenth, Wiendelt

, p. 6818 - 6825 (2007/10/02)

Poly(isocyanides), (RN=Cn, can be prepared from isocyanides, , by the catalytic action of nickel(II) compounds.The main chain of these polymers is a rigid helix.This helical conformation results from a restricted rotation around the single bonds that connect the main-chain carbon atoms.Polymerization of achiral isocyanides generally gives a racemic mixture of left- and right-handed helices, whereas polymerization of optically active isocyanides results in helices with an excess of one screw sense.We describe a procedure for obtaining poly(isocyanides) with predominantly one screw sense, starting from an achiral monomer.A catalyst is prepared by adding an optically active amine to a tetrakis(isocyanide)nickel(II) perchlorate complex.Polymerization of various achiral isocyanides with this catalist yields optically active polymers with an enantiomeric excess up to 83percent.

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