1,4-Naphthalenedione, 5-(acetyloxy)-3-chloro-2-methyl-, also known as 3-chloro-2-methyl-5-(acetyloxy)-1,4-naphthoquinone, is a chemical compound with the molecular formula C12H7ClO4. It is a derivative of 1,4-naphthoquinone, featuring a chloromethyl group at the 2-position, an acetyloxy group at the 5-position, and a carbonyl group at the 1 and 4 positions. 1,4-Naphthalenedione, 5-(acetyloxy)-3-chloro-2-methyl- is characterized by its yellow crystalline appearance and is soluble in organic solvents. It has potential applications in the synthesis of pharmaceuticals and other organic compounds due to its unique structure and reactivity.

76855-75-9

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Basic information
1. Product Name: 1,4-Naphthalenedione, 5-(acetyloxy)-3-chloro-2-methyl-
2. Synonyms:
3. CAS NO:76855-75-9
4. Molecular Formula: C13H9ClO4
5. Molecular Weight: 264.665
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: 1,4-Naphthalenedione, 5-(acetyloxy)-3-chloro-2-methyl-(CAS DataBase Reference)
10. NIST Chemistry Reference: 1,4-Naphthalenedione, 5-(acetyloxy)-3-chloro-2-methyl-(76855-75-9)
11. EPA Substance Registry System: 1,4-Naphthalenedione, 5-(acetyloxy)-3-chloro-2-methyl-(76855-75-9)
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: 76855-75-9(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 76855-75-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,6,8,5 and 5 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 76855-75:
(7*7)+(6*6)+(5*8)+(4*5)+(3*5)+(2*7)+(1*5)=179
179 % 10 = 9
So 76855-75-9 is a valid CAS Registry Number.

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