"Brown 1" is a synthetic dye that was historically used in the textile and leather industries for coloring purposes. It is also known as C.I. Direct Brown 96, and its chemical structure is based on azo compounds. Due to concerns over its potential health and environmental impacts, "Brown 1" has been banned or restricted in many countries, including the European Union, where it is prohibited for use in consumer products due to its classification as a carcinogenic, mutagenic, and reprotoxic substance (CMR). The ban is part of broader efforts to protect public health and the environment from harmful substances.

1341-94-2

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Basic information
1. Product Name: Brown 1
2. Synonyms: Naphthol brown
3. CAS NO:1341-94-2
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: Brown 1(CAS DataBase Reference)
10. NIST Chemistry Reference: Brown 1(1341-94-2)
11. EPA Substance Registry System: Brown 1(1341-94-2)
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: 1341-94-2(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 1341-94-2 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 1 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1341-94:
(6*1)+(5*3)+(4*4)+(3*1)+(2*9)+(1*4)=62
62 % 10 = 2
So 1341-94-2 is a valid CAS Registry Number.

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