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Specifications of L-Isoleucine丨CAS 73-32-5
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Grade |
USP24 |
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Description |
White crystals or crystalline powder, slightly bitter taste. |
|
Assay |
98.5~101.5% |
|
pH |
5.5~7.0 |
|
Specific rotation [a]D25 |
+38.9~+41.8° |
|
Chloride (Cl) |
0.05% max |
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Sulfate (SO4) |
0.03% max |
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Iron (Fe) |
30 ppm max |
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Heavy metals (Pb) |
15 ppm max |
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Arsenic |
1.5 ppm max |
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Loss on drying |
0.3% max |
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Residue on ignition |
0.3% max |
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Organic volatile impurities |
Conforms |
Transport Information of L-Isoleucine丨CAS 73-32-5
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Parameter |
Specification |
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UN Number |
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Class |
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Packing Group |
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H.S. Code |
29224995 |
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Stability & Reactivity |
The product is chemically stable under standard ambient conditions. |
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Storage |
Recommended storage temperature 2 - 8 °C |
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Condition to Avoid |
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Package |
Manufacturing Information of L-Isoleucine丨CAS 73-32-5
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Parameter |
Specification |
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Capacity |
500MT/year |
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Frequency |
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Main Export Countries |
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Capacity/Batch |
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Experience |
Production since 2013 |
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Stock |
Applications
1. Nutritional Supplement and Food Industry
L-Isoleucine丨CAS 73-32-5 is an essential amino acid that humans and animals cannot synthesize and must obtain from diet or supplements.
Widely used as a dietary supplement in sports nutrition products to support muscle recovery, energy production, and muscle growth.
Added to infant formulas, medical nutrition products, and functional foods to ensure balanced amino acid intake.
Used in animal feed to enhance growth performance, feed efficiency, and muscle development in livestock and poultry.
2. Pharmaceutical and Biomedical Research
Used in parenteral nutrition formulations for patients unable to eat or absorb nutrients orally.
Important for research related to metabolic disorders, muscle wasting diseases, and amino acid metabolism.
Investigated for potential therapeutic roles in conditions like liver disease, diabetes, and trauma recovery.
3. Biotechnology and Cell Culture
Supplemented in cell culture media for growing mammalian and microbial cells, as it supports protein synthesis and cell proliferation.
Important in recombinant protein production and fermentation processes.
Benefits
✅ 1. Supports Muscle Protein Synthesis
As one of the three branched-chain amino acids (with leucine and valine), L-isoleucine plays a critical role in promoting muscle repair, growth, and maintenance.
Helps reduce muscle breakdown during prolonged exercise or stress.
✅ 2. Energy Production and Metabolic Regulation
Can be metabolized directly in muscle tissue to provide energy, especially during intense physical activity or fasting.
Participates in regulating blood sugar levels and energy homeostasis.
✅ 3. Essential for Overall Health
Supports immune function, hemoglobin production, and nitrogen balance.
Plays a role in wound healing and recovery from physical trauma.
✅ 4. Enhances Athletic Performance and Recovery
Supplementation may reduce fatigue, improve endurance, and speed up post-exercise recovery.
Often included in BCAA blends for sports nutrition.
Summary
L-Isoleucine丨CAS 73-32-5 is an essential branched-chain amino acid vital for human and animal health, muscle metabolism, and energy production. Its applications span from nutritional supplements and food fortification to pharmaceutical formulations and cell culture media. The amino acid's benefits in muscle support, metabolic regulation, and recovery make it a key ingredient in sports nutrition, medical nutrition, and biotechnological processes.

