3-(4-hydroxy-3-methoxyphenyl)-2-thioxopropanoic acid is a complex organic compound with the molecular formula C10H10O4S. It is a derivative of propanoic acid, featuring a 2-thioxo group (a carbonyl group attached to a sulfur atom) and a 4-hydroxy-3-methoxyphenyl group attached to the third carbon. This molecule is characterized by the presence of a hydroxyl group (-OH) and a methoxy group (-OCH3) on the phenyl ring, which can influence its reactivity and properties. It is a white crystalline solid and is known for its potential applications in the synthesis of various pharmaceuticals and agrochemicals due to its unique structure and functional groups.

5438-45-9

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Basic information
1. Product Name: 3-(4-hydroxy-3-methoxyphenyl)-2-thioxopropanoic acid
2. Synonyms:
3. CAS NO:5438-45-9
4. Molecular Formula: C₁₀H₁₀O₄S
5. Molecular Weight: 226.249
6. EINECS: N/A
7. Product Categories: N/A
Chemical Properties
1. Melting Point: N/A
2. Boiling Point: 440.5°C at 760 mmHg
3. Flash Point: 220.2°C
4. Appearance: N/A
5. Density: 1.406g/cm³
6. Vapor Pressure: 1.55E-08mmHg at 25°C
7. Refractive Index: 1.638
8. Storage Temp.: N/A
9. Solubility: N/A
10. CAS DataBase Reference: 3-(4-hydroxy-3-methoxyphenyl)-2-thioxopropanoic acid(CAS DataBase Reference)
11. NIST Chemistry Reference: 3-(4-hydroxy-3-methoxyphenyl)-2-thioxopropanoic acid(5438-45-9)
12. EPA Substance Registry System: 3-(4-hydroxy-3-methoxyphenyl)-2-thioxopropanoic acid(5438-45-9)
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: 5438-45-9(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 5438-45-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,4,3 and 8 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 5438-45:
(6*5)+(5*4)+(4*3)+(3*8)+(2*4)+(1*5)=99
99 % 10 = 9
So 5438-45-9 is a valid CAS Registry Number.

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