Orange 5, also known as Acid Orange 7, is an azo dye with the chemical formula C16H11N2NaO4S. It is a synthetic organic compound commonly used in the textile, paper, and leather industries for dyeing and printing applications. The dye is characterized by its bright orange color and has the ability to bind with various substrates, making it a popular choice for coloration. However, due to its potential environmental and health concerns, its use is regulated in some regions, and alternative, more eco-friendly dyes are being developed.

1342-44-5

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Basic information
1. Product Name: Orange 5
2. Synonyms:
3. CAS NO:1342-44-5
4. Molecular Formula:
5. Molecular Weight: 0
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: /
5. Density: N/A
6. Refractive Index: N/A
7. Storage Temp.: N/A
8. Solubility: N/A
9. CAS DataBase Reference: Orange 5(CAS DataBase Reference)
10. NIST Chemistry Reference: Orange 5(1342-44-5)
11. EPA Substance Registry System: Orange 5(1342-44-5)
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: 1342-44-5(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 1342-44-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,3,4 and 2 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1342-44:
(6*1)+(5*3)+(4*4)+(3*2)+(2*4)+(1*4)=55
55 % 10 = 5
So 1342-44-5 is a valid CAS Registry Number.

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