L-Threonine 

L-Threonine (C₄H₉NO₃) is an essential amino acid widely used in biochemistry, molecular biology, pharmaceutical research, microbiology, nutrition studies, and laboratory research. It is an important amino acid involved in protein synthesis and various biological processes.

This L-Threonine is supplied as a high-quality crystalline powder for analytical and research applications that require reliable purity and consistent performance. The product is suitable for universities, research laboratories, pharmaceutical organizations, biotechnology laboratories, diagnostic facilities, and industrial R&D applications.

Key Features & Benefits

• High-purity L-Threonine suitable for laboratory and research applications
• Assay: Minimum 99%
• CAS No.: 72-19-5
• Molecular formula: C₄H₉NO₃
• Molecular weight: 119.12 g/mol
• White to off-white crystalline powder
• Clear solution when tested as a 10% solution in 2N HCl
• Suitable for biochemical and pharmaceutical research
• Useful for amino acid and protein-related studies
• Suitable for analytical and quality-control applications
• Specific rotation: -29° to -27° (C=2, water)

Technical Specifications

Parameter	Details
Product Name	L-Threonine
Grade	Extrapure CHR
Assay	Min. 99%
CAS No.	72-19-5
Molecular Formula	C₄H₉NO₃
Molecular Weight	119.12 g/mol
Appearance (Colour)	White to off-white
Appearance (Form)	Crystalline powder
Solubility	10% solution in 2N HCl: Clear
Solubility (Colour)	Colourless to pale yellow
Specific Rotation [α]	-29° to -27° (C=2, water)
Loss on Drying	Max. 0.5%
Sulphated Ash	Max. 0.1%
Chloride (Cl)	Max. 0.01%
Sulphate (SO₄)	Max. 0.01%
Iron (Fe)	Max. 0.001%
Heavy Metals (Pb)	Max. 0.001%
Ammonium (NH₄)	Max. 0.01%
Homogeneity by TLC	Passes test 88355
Brand	SRL
Product Type	Amino Acid / Laboratory Reagent

Applications of L-Threonine

1. Biochemistry & Molecular Biology

L-Threonine is widely used in biochemical and molecular biology research involving amino acids, proteins, enzymes, and metabolic pathways. It can be used in controlled laboratory experiments to study amino acid metabolism and biological processes.

2. Pharmaceutical Research

L-Threonine is useful in pharmaceutical and biotechnology research involving amino acid analysis, formulation research, biochemical studies, and quality-control procedures. Its high assay value makes it suitable for applications requiring a reliable laboratory reagent.

3. Microbiology & Cell Culture Research

L-Threonine may be used in suitable microbiological and biological research applications as part of controlled media or experimental systems. Researchers can use amino acids to investigate microbial growth, metabolism, and nutrient utilization.

4. Nutritional Research

As an essential amino acid, L-Threonine is relevant to nutritional and metabolic research. It can be used in controlled studies investigating amino acid requirements, protein metabolism, and nutritional biochemistry.

5. Amino Acid & Protein Research

L-Threonine is an important protein building block and is therefore useful in laboratory studies of protein synthesis, amino acid profiling, biochemical pathways, and protein-related research.

6. Analytical & Quality Control Laboratories

The high-purity and controlled impurity specifications make this reagent suitable for analytical laboratories conducting chemical analysis, reagent testing, and quality-control procedures.

Quality Specifications

The product offers controlled limits for several important impurities and quality parameters, including chloride, sulphate, iron, heavy metals, ammonium, loss on drying, and sulphated ash. Homogeneity is also verified by TLC, with the supplied specification indicating that the product passes test 88355.

The specific rotation range of -29° to -27° (C=2, water) provides an additional identification and quality parameter for the material.

Storage & Handling

L-Threonine should be stored according to the manufacturer’s recommendations. Keep the container tightly closed and protected from moisture, excessive heat, and contamination. Store in a cool, dry, and well-ventilated laboratory storage area.

Always follow the manufacturer’s Safety Data Sheet (SDS) and standard laboratory safety procedures. Appropriate personal protective equipment should be used while handling laboratory chemicals.

Why Buy L- Threonine from Bright Scientific?

Bright Scientific supplies laboratory chemicals, reagents, scientific instruments, and laboratory equipment throughout Bangladesh. High-quality amino acid reagents such as L- Threonine are suitable for academic, pharmaceutical, research, biotechnology, and industrial laboratories.

Customers can contact Bright Scientific for current prices, availability, bulk requirements, institutional supply, and delivery information.

L- Threonine Price in Bangladesh

The price of L- Threonine may vary depending on pack size, availability, brand, and order quantity. For the latest price and quotation in Bangladesh, please contact Bright Scientific directly.

Frequently Asked Questions (FAQ)

1. What is L- Threonine?

L-Threonine is an essential amino acid with the molecular formula C₄H₉NO₃. It is an important component involved in protein synthesis and biological processes.

2. What is the CAS number of L- Threonine?

The CAS number of L-threonine is 72-19-5.

3. What is the molecular weight of L- Threonine?

The molecular weight of L-Threonine is 119.12 g/mol.

4. What is the assay of this L-Threonine?

The specified assay is a minimum of 99%.

5. What is the appearance of L- Threonine?

L-Threonine is supplied as a white to off-white crystalline powder.

6. What is the grade of this product?

This product is specified as L- Threonine. 

7. What is L- Threonine used for?

L-Threonine is used in biochemistry, molecular biology, pharmaceutical research, microbiology, nutritional studies, amino acid research, protein-related research, and laboratory analysis.

8. What is the molecular formula of L- Threonine?

The molecular formula is C₄H₉NO₃.

9. What is the specific rotation of L- Threonine?

The specific rotation is -29° to -27° (C=2, water).

10. Where can I buy L- Threonine in Bangladesh?

L-Threonine laboratory reagent can be sourced from Bright Scientific. Contact Bright Scientific for current price, stock availability, pack size, and delivery information.