Trigallic acid, also known as pyrogallol, is a chemical compound with the molecular formula C6H3(OH)3. It is a white crystalline solid that is soluble in water and has a strong, astringent taste. Trigallic acid is a trihydroxy derivative of benzene and is commonly used as a chemical intermediate, particularly in the synthesis of dyes, pharmaceuticals, and antioxidants. It is also known for its reducing properties and has been used in various analytical applications, such as redox titrations. Due to its potential health risks, including carcinogenicity, it is important to handle trigallic acid with care and in accordance with safety guidelines.

2131-66-0

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Basic information
1. Product Name: Trigallic Acid
2. Synonyms: 3,4-Dihydroxy-5-[(3,4,5-trihydroxybenzoyl)oxy]benzoic acid 5-carboxy-2,3-dihydroxyphenyl ester;3-[3-(3,4,5-Trihydroxybenzoyloxy)-4,5-dihydroxybenzoyloxy]-4,5-dihydroxybenzoic acid;Trigallic acid;QUXNYZHQBWMPNX-UHFFFAOYSA-N
3. CAS NO:2131-66-0
4. Molecular Formula: C21H14O13
5. Molecular Weight: 474.33
6. EINECS: N/A
7. Product Categories: N/A
8. Mol File: 2131-66-0.mol
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: Trigallic Acid(CAS DataBase Reference)
10. NIST Chemistry Reference: Trigallic Acid(2131-66-0)
11. EPA Substance Registry System: Trigallic Acid(2131-66-0)
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: 2131-66-0(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 2131-66-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,1,3 and 1 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 2131-66:
(6*2)+(5*1)+(4*3)+(3*1)+(2*6)+(1*6)=50
50 % 10 = 0
So 2131-66-0 is a valid CAS Registry Number.

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