

share
1,3-Benzenediol, 5-[(1R)-1-Hydroxy-2-[(2-Methylpropyl)Amino]Ethyl]- (9Ci) CAS NO 251907-03-6
Unit Price:
CAS No.:251907-03-6
Grade:Pharmacy Grade
Content:99.9%
Brand:Customizable
Packaging:Customizable
Description
1,3-Benzenediol, 5-[(1R)-1-Hydroxy-2-[(2-Methylpropyl)Amino]Ethyl]- (9Ci) is a specialized chiral organic compound of significant interest in advanced pharmaceutical synthesis and fine chemical research. Its molecular structure, featuring a resorcinol core linked to an amino alcohol side chain, makes it a valuable key intermediate for developing active pharmaceutical ingredients (APIs) with targeted biological activity. This high-purity compound is essential for research and development chemists, process scale-up specialists, and manufacturers in the pharmaceutical and biotechnology sectors who require reliable, high-quality building blocks for complex molecule construction.
Application
- Pharmaceutical Intermediate: Serves as a critical chiral building block in the synthesis of novel β-adrenergic receptor agonists or related therapeutic agents.
- Active Pharmaceutical Ingredient (API) Development: Used in research and process development for creating new drug candidates targeting respiratory, cardiovascular, or metabolic disorders.
- Asymmetric Synthesis: Employed in chiral synthesis routes due to its defined (R)-configuration, enabling the production of enantiomerically pure compounds.
- Biochemical Research: Acts as a standard or probe molecule in studies investigating adrenergic receptor interactions and signal transduction pathways.
- Fine Chemical Manufacturing: Utilized in the production of complex, high-value specialty chemicals for various industrial and research applications.
- Process Chemistry & Scale-Up: Provides a defined starting material for optimizing synthetic routes from laboratory to pilot plant and commercial manufacturing scales.
Basic Information
| Product Name | 1,3-Benzenediol, 5-[(1R)-1-Hydroxy-2-[(2-Methylpropyl)Amino]Ethyl]- (9Ci) |
| CAS No. | 251907-03-6 |
| Molecular Formula | C12H19NO3 |
| Molecular Weight | 225.28 g/mol |
| Synonyms | (R)-5-(1-Hydroxy-2-(isobutylamino)ethyl)benzene-1,3-diol; (R)-3,5-Dihydroxy-α-[(isobutylamino)methyl]benzyl alcohol; (R)-Isoetharine Intermediate; (R)-α-[(Isobutylamino)methyl]protocatechuyl alcohol; 1,3-Benzenediol, 5-[(1R)-1-hydroxy-2-[(2-methylpropyl)amino]ethyl]-; (R)-1-(3,5-Dihydroxyphenyl)-2-(isobutylamino)ethanol; Isoetharine (R)-enantiomer precursor; 4-[(1R)-1-Hydroxy-2-(isobutylamino)ethyl]benzene-1,3-diol |
| EINECS | Contact for details |
Quality Control
Our production of this advanced intermediate adheres to strict quality management systems. Each batch is characterized and tested using advanced analytical techniques including HPLC, GC, and chiral analysis to ensure identity, purity, and enantiomeric excess. A comprehensive Certificate of Analysis (COA) is provided with each shipment, detailing all relevant specifications. We support development and cGMP manufacturing needs with full traceability and documentation.
Storage
Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). The compound may be hygroscopic; keep the container tightly sealed in a dry environment to prevent moisture absorption.
Specification
| Item | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Identification (IR) | Conforms to structure |
| Identification (HPLC) | Conforms to reference standard |
| Assay (HPLC) | ≥ 98.0% |
| Chiral Purity (Enantiomeric Excess) | ≥ 99.0% ee |
| Loss on Drying | ≤ 0.5% |
| Residue on Ignition | ≤ 0.1% |
| Heavy Metals | ≤ 10 ppm |
| Related Substances (HPLC) | Total impurities ≤ 2.0% |
| Single Maximum Impurity | ≤ 0.5% |
Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.
Hot Related Products


Isoprenaline Hydrochloride CAS NO 51-30-9


Zafirlukast CAS NO 107753-78-6


Roflumilast CAS NO 162401-32-3


Doxofylline CAS NO 69975-86-6


Dl-Ephedrine Hydrochloride CAS NO 134-71-4


Ephedrine Sulfate CAS NO 134-72-5


Protokylol CAS NO 136-70-9


Cholinophyllin CAS NO 146-71-4


Tefazoline CAS NO 1082-56-0


Metiprenaline CAS NO 1212-03-9


(8Alpha,9R)-10,11-Dihydro-6'-Methoxycinchonan-9-Ol Monohydrochloride CAS NO 1668-97-9


8,8'-Methylenebis[2,7-Dihydro-1,3-Dimethyl-2-Thioxo-1H-Purin-6(3H)-One] CAS NO 1915-58-8


Dioxifedrine CAS NO 10329-60-9


7-[3-[[2-(3,5-Dihydroxyphenyl)-2-Hydroxyethyl]Amino]Propyl]-3,7-Dihydro-1,3-Dimethyl-1H-Purine-2,6-Dione Monohydrochloride CAS NO 13055-82-8


1-(2,3-Dihydroxypropyl)-3,7-Dihydro-3,7-Dimethyl-1H-Purine-2,6-Dione CAS NO 13460-96-3


L-Isoproterenol Sulfate CAS NO 13764-54-0


Tretoquinol CAS NO 14266-22-9


Norephendrinetheophylline CAS NO 14535-83-2


(S)-(+)-Isoproterenol L(+)-Bitartrate CAS NO 14638-70-1


Sultroponium CAS NO 15130-91-3
Why choose US
Trusted Manufacturer
With our own production facilities, we ensure consistent quality, reliable supply, and full traceability.
Rigorous Quality Assurance
Each batch undergoes strict QC, accompanied by COA, MSDS, and full compliance with international standards.
Advanced R&D Expertise
Our in-house lab drives process innovation, new product development, and tailored synthesis solutions.




