2-Naphthalenecarboxylic acid, 5-hydroxy-, also known as 5-hydroxy-2-naphthoic acid, is an organic compound with the chemical formula C11H8O3. It is a white crystalline solid that is derived from naphthalene, a polycyclic aromatic hydrocarbon. 2-Naphthalenecarboxylic acid, 5-hydroxy- is characterized by the presence of a hydroxyl group (-OH) at the 5-position and a carboxylic acid group (-COOH) at the 2-position on the naphthalene ring. It is used as an intermediate in the synthesis of various pharmaceuticals, dyes, and other organic compounds. Due to its chemical structure, 5-hydroxy-2-naphthoic acid exhibits properties such as acidity and reactivity towards electrophilic substitution, making it a valuable building block in organic chemistry.

2437-18-5

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Basic information
1. Product Name: 2-Naphthalenecarboxylic acid, 5-hydroxy-
2. Synonyms:
3. CAS NO:2437-18-5
4. Molecular Formula: C11H8O3
5. Molecular Weight: 188.183
6. EINECS: N/A
7. Product Categories: N/A
8. Mol File: 2437-18-5.mol
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: 2-Naphthalenecarboxylic acid, 5-hydroxy-(CAS DataBase Reference)
10. NIST Chemistry Reference: 2-Naphthalenecarboxylic acid, 5-hydroxy-(2437-18-5)
11. EPA Substance Registry System: 2-Naphthalenecarboxylic acid, 5-hydroxy-(2437-18-5)
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: 2437-18-5(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 2437-18-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,4,3 and 7 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 2437-18:
(6*2)+(5*4)+(4*3)+(3*7)+(2*1)+(1*8)=75
75 % 10 = 5
So 2437-18-5 is a valid CAS Registry Number.

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