Folcisteine with CAS 5025-82-1
What is Folcisteine?
Folcisteine (CAS 5025-82-1), chemically named N-Acetyl-Thiazolidine-4-Carboxylic Acid (NATCA), is a sulfur-containing amino acid derivative belonging to the thiazolidine family. It is also commercially referred to as ATCA, N-Acetyl Thioproline, Aatca, and Hemiphyllin.
Classified as a plant growth regulator (PGR) and biostimulant, Folcisteine works synergistically with folic acid to accelerate key plant physiological processes — from seed germination to fruit development. Its 100% water solubility makes it ideal for foliar spray formulations and fertigation systems.
Beyond agriculture, Folcisteine serves as an important organic synthesis intermediate in pharmaceutical research, exhibiting noted radioprotective properties in biological studies. Runtai Chemical supplies agricultural-grade Folcisteine to global markets at competitive wholesale prices.
Runtai Chemical is a professional and reliable China manufacturer of Folcisteine with CAS 5025-82-1 with higher purity and lower price. If you are interested in our Folcisteine, PLS free to contact us for a free sample!
Product Advantages
- Promotes Seed Germination: Folcisteine stimulates early root and shoot development, shortening germination time and improving seedling vigor — resulting in more uniform crop stands.
- Enhances Chlorophyll Retention: Slows natural chlorophyll degradation (anti-senescence effect), maintaining leaf greenness longer and extending the photosynthetic window for maximum energy production.
- Increases Fruit Set & Yield: Significantly improves fruit-setting rates and final yield, especially when combined with folic acid in foliar spray programs for fruits and vegetables.
- Water Soluble: Complete water solubility ensures easy formulation in fertigation systems, spray tanks, and liquid fertilizer blends — no clogging, no residue.
Folcisteine Quick details
- Chemical Name:Folcisteine
- CAS No.: 5025-82-1
- EINECS: 225-713-6
- Molecular Formula:C6H9NO3S
- Molecular weight:175.21
- Appearance:White or off-white powder
- Purity:99%min
- Synonyms:3-ACETYL-THIAZOLIDINE-4-CARBOXYLICACID;Acetyl-Thiazolidine-4-Carboxylicacid;3-Acetylthiazolidine-4-carboxylicacid(Folcisteine);3-ethanoyl-1,3-thiChemicalbookazolidine-4-carboxylicacid;N-Acetyl-thiazolidine-4-carboxylic;4-Thiazolidinecarboxylicacid,3-acetyl-;FOLCISTEINE;N-Acetyl-thiazolidine-4-carboxyli
Folcisteine Typical Properties
| Item | Specifications | Results |
| Appearance | White or off-white powder | Conforms |
| Assay | ≥99% | 99.62% |
| Specific Rotation[α]20/D | -131°±5°(C=2,H2O) | -132.1° |
| Transmittance | ≥99.0% | 99.6% |
| Chloride（CL） | ≤1.0% | ＜1.0% |
| Iron(Fe) | ≤10ppm | ＜10ppm |
| Heavy metal(Pb) | ≤10ppm | ＜10ppm |
| Arsenic | ≤1ppm | ＜1ppm |
| Melting point | 142℃-149℃ | 143℃-144℃ |
| TCL Analysis | ≥99.0% | ＞99.0% |
| Loss on drying | ≤0.5% | 0.10% |
| Conclusion | The results conforms with enterprise standards | |
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Folcisteine Applications
- Crop Biostimulant & Foliar Spray: Used in combination with folic acid as a foliar spray biostimulant. Promotes rapid cell division, elongation, and differentiation in treated plants, leading to faster growth cycles and improved crop uniformity across cereals, vegetables, and fruit crops.
- Seed Treatment & Priming: Applied as a seed priming agent to improve germination rates, emergence speed, and early seedling establishment — particularly effective in stress conditions such as drought or cold temperatures.
- Pharmaceutical Intermediate: Serves as a key intermediate in organic synthesis reactions, including cyclic N-acyl α-amino acid chemistry. Used in research into radioprotective compounds and hepatic collagen metabolism regulators.
- Specialty Fertilizer Formulations: Incorporated into premium water-soluble fertilizer blends and fertigation products by agrochemical manufacturers worldwide, adding biostimulant functionality to NPK and micronutrient programs.
Folcisteine Package & Storage
- Package: 25kg/drum
- Storage: Store in a cool place and keep it sealed to avoid direct sunlight.
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