Cyclohex-4-ene-1,3-dicarboxylic acid-anhydride, also known as phthalic anhydride, is a white, crystalline organic compound with the chemical formula C8H4O3. It is a key industrial chemical used in the production of various plastics, resins, and other materials. Phthalic anhydride is formed by the oxidation of naphthalene or the catalytic air oxidation of o-xylene. It is an important intermediate in the synthesis of phthalate esters, which are widely used as plasticizers in the manufacturing of flexible polyvinyl chloride (PVC) products. Additionally, it serves as a precursor for the production of dyes, pharmaceuticals, and other specialty chemicals. Due to its versatile applications, phthalic anhydride plays a significant role in the chemical industry.

4717-62-8

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Basic information
1. Product Name: cyclohex-4-ene-1,3-dicarboxylic acid-anhydride
2. Synonyms:
3. CAS NO:4717-62-8
4. Molecular Formula:
5. Molecular Weight: 152.15
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: cyclohex-4-ene-1,3-dicarboxylic acid-anhydride(CAS DataBase Reference)
10. NIST Chemistry Reference: cyclohex-4-ene-1,3-dicarboxylic acid-anhydride(4717-62-8)
11. EPA Substance Registry System: cyclohex-4-ene-1,3-dicarboxylic acid-anhydride(4717-62-8)
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: 4717-62-8(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 4717-62-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,7,1 and 7 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 4717-62:
(6*4)+(5*7)+(4*1)+(3*7)+(2*6)+(1*2)=98
98 % 10 = 8
So 4717-62-8 is a valid CAS Registry Number.

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