2,3-dimethyl-4-(m-chlorophenylazo)isoxazol-5-one is a complex organic compound with the molecular formula C11H8ClN3O2. It is characterized by the presence of two methyl groups at the 2nd and 3rd carbon positions, a chlorine atom attached to the phenyl ring at the meta position, and an azo group (-N=N-) connecting the phenyl ring to the isoxazolone moiety. The isoxazolone ring itself is a heterocyclic structure containing an oxygen and a nitrogen atom. 2,3-dimethyl-4-(m-chlorophenylazo)isoxazol-5-one is often used as a dye or pigment in various industrial applications due to its color properties. It is important to handle such chemicals with care, as they may have specific safety and environmental considerations.

1627-81-2

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Basic information
1. Product Name: 2,3-dimethyl-4-(m-chlorophenylazo)isoxazol-5-one
2. Synonyms:
3. CAS NO:1627-81-2
4. Molecular Formula:
5. Molecular Weight: 251.672
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-dimethyl-4-(m-chlorophenylazo)isoxazol-5-one(CAS DataBase Reference)
10. NIST Chemistry Reference: 2,3-dimethyl-4-(m-chlorophenylazo)isoxazol-5-one(1627-81-2)
11. EPA Substance Registry System: 2,3-dimethyl-4-(m-chlorophenylazo)isoxazol-5-one(1627-81-2)
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: 1627-81-2(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 1627-81-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,6,2 and 7 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1627-81:
(6*1)+(5*6)+(4*2)+(3*7)+(2*8)+(1*1)=82
82 % 10 = 2
So 1627-81-2 is a valid CAS Registry Number.

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