4-Brom-but-3-insaeure-methylester, also known as 4-bromo-3-methylbutyric acid methyl ester, is an organic compound with the chemical formula C6H11BrO2. It is a colorless liquid with a fruity odor and is used as a flavoring agent in the food and beverage industry. The compound is synthesized by esterification of 4-bromo-3-methylbutyric acid with methanol, resulting in a methyl ester. It is characterized by its molecular weight of 195.05 g/mol and a boiling point of approximately 196°C. Due to its unique chemical structure, 4-brom-but-3-insaeure-methylester is also used in the synthesis of various pharmaceuticals and agrochemicals.

4544-40-5

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Basic information
1. Product Name: 4-Brom-but-3-insaeure-methylester
2. Synonyms: 4-Brom-but-3-insaeure-methylester
3. CAS NO:4544-40-5
4. Molecular Formula:
5. Molecular Weight: 176.997
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-Brom-but-3-insaeure-methylester(CAS DataBase Reference)
10. NIST Chemistry Reference: 4-Brom-but-3-insaeure-methylester(4544-40-5)
11. EPA Substance Registry System: 4-Brom-but-3-insaeure-methylester(4544-40-5)
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: 4544-40-5(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 4544-40-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,5,4 and 4 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 4544-40:
(6*4)+(5*5)+(4*4)+(3*4)+(2*4)+(1*0)=85
85 % 10 = 5
So 4544-40-5 is a valid CAS Registry Number.

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