N,3-Dimethyl-4-ethyl-6-(4-carboxy-benzolazo)-aniline is a complex organic compound with the molecular formula C19H20N3O2. It is characterized by a benzene ring with a carboxylic acid group attached to it, forming a benzolazo structure. The molecule also features an aniline group, which is an amino group attached to a benzene ring. The specific substitution pattern includes two methyl groups and an ethyl group on the aniline part of the molecule. N,3-Dimethyl-4-ethyl-6-<4-carboxy-benzolazo>-anilin is often used as a chromogenic agent in analytical chemistry for the detection and quantification of certain metal ions, particularly in colorimetric assays. Its structure allows for the formation of colored complexes with metals, which can be measured spectrophotometrically, making it a valuable tool in various chemical and environmental analyses.

3651-30-7

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Basic information
1. Product Name: N,3-Dimethyl-4-ethyl-6-<4-carboxy-benzolazo>-anilin
2. Synonyms:
3. CAS NO:3651-30-7
4. Molecular Formula:
5. Molecular Weight: 297.357
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: N,3-Dimethyl-4-ethyl-6-<4-carboxy-benzolazo>-anilin(CAS DataBase Reference)
10. NIST Chemistry Reference: N,3-Dimethyl-4-ethyl-6-<4-carboxy-benzolazo>-anilin(3651-30-7)
11. EPA Substance Registry System: N,3-Dimethyl-4-ethyl-6-<4-carboxy-benzolazo>-anilin(3651-30-7)
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: 3651-30-7(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 3651-30-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,6,5 and 1 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 3651-30:
(6*3)+(5*6)+(4*5)+(3*1)+(2*3)+(1*0)=77
77 % 10 = 7
So 3651-30-7 is a valid CAS Registry Number.

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