2,3-dihydro-1H-naphth[2,1-b][1,4]oxazine is a complex organic chemical compound with the molecular formula C11H9NO. It belongs to the class of naphthoxazines, which are heterocyclic compounds containing both a naphthalene ring and an oxazine ring. This particular compound is characterized by its unique structure, where the naphthalene ring is fused to the oxazine ring, and the molecule is in a dihydro form, indicating the presence of two hydrogen atoms in the molecule. It is an important intermediate in the synthesis of various pharmaceuticals and agrochemicals due to its versatile chemical properties and potential for further functionalization. The compound is typically synthesized through multi-step reactions involving the condensation of appropriate precursors, such as aldehydes and amines, followed by cyclization and reduction steps. Its applications span across various industries, including the development of new drugs, the creation of advanced materials, and the production of specialty chemicals.

7140-42-3

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Basic information
1. Product Name: 2,3-dihydro-1H-naphth[2,1-b][1,4]oxazine
2. Synonyms: 2,3-dihydro-1H-naphth[2,1-b][1,4]oxazine
3. CAS NO:7140-42-3
4. Molecular Formula:
5. Molecular Weight: 185.225
6. EINECS: N/A
7. Product Categories: N/A
Chemical Properties
1. Melting Point: N/A
2. Boiling Point: N/A
3. Flash Point: N/A
4. Appearance: N/A
5. Density: N/A
6. Refractive Index: N/A
7. Storage Temp.: N/A
8. Solubility: N/A
9. CAS DataBase Reference: 2,3-dihydro-1H-naphth[2,1-b][1,4]oxazine(CAS DataBase Reference)
10. NIST Chemistry Reference: 2,3-dihydro-1H-naphth[2,1-b][1,4]oxazine(7140-42-3)
11. EPA Substance Registry System: 2,3-dihydro-1H-naphth[2,1-b][1,4]oxazine(7140-42-3)
Safety Data
1. Hazard Codes: N/A
2. Statements: N/A
3. Safety Statements: N/A
4. WGK Germany:
5. RTECS:
6. HazardClass: N/A
7. PackingGroup: N/A
8. Hazardous Substances Data: 7140-42-3(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 7140-42-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,1,4 and 0 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 7140-42:
(6*7)+(5*1)+(4*4)+(3*0)+(2*4)+(1*2)=73
73 % 10 = 3
So 7140-42-3 is a valid CAS Registry Number.

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