4-Cyan-3-hydroxy-benzoesaeure-aethylester, also known as ethyl 4-cyano-3-hydroxybenzoate, is an organic compound with the chemical formula C10H9NO3. It is a derivative of benzoic acid, featuring a cyano group (-CN) at the 4-position, a hydroxyl group (-OH) at the 3-position, and an ethyl ester group (-COOCH2CH3) attached to the carboxylic acid. 4-Cyan-3-hydroxy-benzoesaeure-aethylester is characterized by its yellow crystalline appearance and is soluble in organic solvents. It is primarily used as an intermediate in the synthesis of various pharmaceuticals, agrochemicals, and other specialty chemicals. Due to its reactivity, it is essential to handle 4-Cyan-3-hydroxy-benzoesaeure-aethylester with care, following proper safety protocols.

6520-90-7

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Basic information
1. Product Name: 4-Cyan-3-hydroxy-benzoesaeure-aethylester
2. Synonyms:
3. CAS NO:6520-90-7
4. Molecular Formula:
5. Molecular Weight: 191.186
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: 4-Cyan-3-hydroxy-benzoesaeure-aethylester(CAS DataBase Reference)
10. NIST Chemistry Reference: 4-Cyan-3-hydroxy-benzoesaeure-aethylester(6520-90-7)
11. EPA Substance Registry System: 4-Cyan-3-hydroxy-benzoesaeure-aethylester(6520-90-7)
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: 6520-90-7(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 6520-90-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,5,2 and 0 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 6520-90:
(6*6)+(5*5)+(4*2)+(3*0)+(2*9)+(1*0)=87
87 % 10 = 7
So 6520-90-7 is a valid CAS Registry Number.

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