Benzophenone is a class of organic compounds that are widely used in various industries. Specifically, Benzophenone#2, #3, #4, #5, and #6 are different derivatives of benzophenone, each with unique properties and applications. Benzophenone#2 (Benzophenone-2) is a UV absorber used in sunscreens and cosmetics to protect against harmful UV radiation. Benzophenone#3 (Benzophenone-3), also known as Oxybenzone, serves a similar purpose but has been associated with potential health and environmental concerns. Benzophenone#4 (Benzophenone-4) is used as a photostabilizer in plastics and as a UV absorber in personal care products. Benzophenone#5 (Benzophenone-5) is another UV filter used in cosmetics, while Benzophenone#6 (Benzophenone-6) is less common and typically used as a UV stabilizer in polymers. These chemicals play a crucial role in protecting materials and skin from the damaging effects of ultraviolet light, but their safety and environmental impact are subjects of ongoing research and debate.

9133-55-5

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Basic information
1. Product Name: Benzophenone#2,#3,#4,#5,#6
2. Synonyms: Benzophenone#2,#3,#4,#5,#6
3. CAS NO:9133-55-5
4. Molecular Formula: MW:
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: Benzophenone#2,#3,#4,#5,#6(CAS DataBase Reference)
10. NIST Chemistry Reference: Benzophenone#2,#3,#4,#5,#6(9133-55-5)
11. EPA Substance Registry System: Benzophenone#2,#3,#4,#5,#6(9133-55-5)
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: 9133-55-5(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 9133-55-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 9,1,3 and 3 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 9133-55:
(6*9)+(5*1)+(4*3)+(3*3)+(2*5)+(1*5)=95
95 % 10 = 5
So 9133-55-5 is a valid CAS Registry Number.

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