2-Azido-benzoxazole is an organic compound with the chemical formula C7H5N3O and a molecular weight of 145.14 g/mol. It is a derivative of benzoxazole, featuring an azide group (N3) attached to the 2-position of the benzene ring. This yellow crystalline solid is soluble in organic solvents and is primarily used as a chemical intermediate in the synthesis of various pharmaceuticals, agrochemicals, and other specialty chemicals. Due to the presence of the azide group, 2-azido-benzoxazole is highly reactive and can be used in click chemistry reactions, such as copper-catalyzed azide-alkyne cycloaddition (CuAAC), to form triazole rings. It is also known for its potential applications in the development of new materials with unique properties, such as luminescent materials and polymers.

1680-18-8

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Basic information
1. Product Name: Benzoxazole, 2-azido-
2. Synonyms:
3. CAS NO:1680-18-8
4. Molecular Formula: C7H4N4O
5. Molecular Weight: 160.135
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: Benzoxazole, 2-azido-(CAS DataBase Reference)
10. NIST Chemistry Reference: Benzoxazole, 2-azido-(1680-18-8)
11. EPA Substance Registry System: Benzoxazole, 2-azido-(1680-18-8)
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: 1680-18-8(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 1680-18-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,6,8 and 0 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1680-18:
(6*1)+(5*6)+(4*8)+(3*0)+(2*1)+(1*8)=78
78 % 10 = 8
So 1680-18-8 is a valid CAS Registry Number.

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