Factory wholesale Propylene Carbonate - (S)-(-)-1,1′-Bi-2-naphthol CAS 18531-99-2 Assay ≥99.0% (HPLC) e.e≥99.0% High Purity – Ruifu

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Factory wholesale Propylene Carbonate - (S)-(-)-1,1′-Bi-2-naphthol CAS 18531-99-2 Assay ≥99.0% (HPLC) e.e≥99.0% High Purity – Ruifu Detail:

Manufacturer Supply with High Purity and Stable Quality
1,1′-Bi-2-naphthol CAS 602-09-5
(R)-(+)-1,1′-Bi-2-naphthol; (R)-(+)-BINOL; CAS 18531-94-7
(S)-(-)-1,1′-Bi-2-naphthol; (S)-(-)-BINOL; CAS 18531-99-2
(R)-(-)-1,1′-Binaphthyl-2,2′-diyl Hydrogen Phosphate; (R)-(-)-BNP Acid; CAS 39648-67-4
(S)-(+)-1,1′-Binaphthyl-2,2′-diyl Hydrogen Phosphate; (S)-(+)-BNP Acid; CAS 35193-64-7
Chiral Compounds, High Quality, Commercial Production

Chemical Name (S)-(-)-1,1′-Bi-2-naphthol
Synonyms (S)-(-)-BINOL
CAS Number 18531-99-2
CAT Number RF-CC217
Stock Status In Stock, Production Scale Up to Tons
Molecular Formula C20H14O2
Molecular Weight 286.32
Brand Ruifu Chemical
Item Specifications
Appearance White Crystals or Crystalline Powder
Specific Rotation -33.5°~-38.0° (C=1 in THF)
Melting Point 208.0~210.0℃
Loss on Drying ≤0.50%
Chiral Assay e.e ≥99.0% (HPLC) Chiral Column
Chemical Assay ≥99.0% (HPLC) 
Test Standard Enterprise Standard
Usage Chiral Compounds; Pharmaceutical Intermediates 

Package: Bottle, Aluminium foil bag, Cardboard Drum, 25kg/Drum, or according to customer’s requirement.

Storage Condition: Store in sealed containers at cool and dry place; Protect from light, moisture and pest infestation.

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Shanghai Ruifu Chemical Co., Ltd. is the leading manufacturer and supplier of (S)-(-)-1,1′-Bi-2-naphthol (CAS: 18531-99-2) with high quality, it belongs to pharmaceutical intermediate and can be used for the synthesis of chiral intermediates and chiral drugs.  

Shanghai Ruifu Chemical Co., Ltd. plays an important role in the chiral chemistry, the company is committed to the production of chiral compounds. Our products are widely praised by customers. 

(S)-(-)-1,1′-Bi-2-naphthol (CAS: 18531-99-2) is an organic compound that is often used as a ligand for transition-metal catalysed asymmetric synthesis. BINOL has axial chirality and the two enantiomers can be readily separated and are stable toward racemisation. The specific rotation of the two enantiomers is ±35.5° (C=1 in THF). BINOL is a precursor for another chiral ligand called BINAP. (S)-BINOL can be prepared directly from an asymmetric oxidative coupling of 2-naphthol with copper(II) chloride. The chiral ligand in this reaction is (S)-(+)-amphetamine. (S)-(-)-1,1′-Bi-2-naphthol (CAS: 18531-99-2) is used in the stereoselective synthesis of Peloruside A. Also used in the synthesis of BINAP-based aminophosphines and used for synthesis of various chiral reagents.


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Our progress depends about the advanced products ,fantastic talents and continuously strengthened technology forces for Factory wholesale Propylene Carbonate - (S)-(-)-1,1′-Bi-2-naphthol CAS 18531-99-2 Assay ≥99.0% (HPLC) e.e≥99.0% High Purity – Ruifu , The product will supply to all over the world, such as: Iran, Belgium, Mauritius, Item have passed by means of the national qualified certification and been well received in our main industry. Our expert engineering team will often be ready to serve you for consultation and feedback. We have been able to also deliver you with cost-free samples to meet your specs. Ideal efforts will probably be produced to deliver you the most beneficial service and solutions. Should really you be interested in our company and solutions, please make contact with us by sending us emails or call us straight away. To be able to know our solutions and enterprise. ar more, you'll be able to come to our factory to see it. We will constantly welcome guests from all over the world to our firm. o build business enterprise. elations with us. You should feel absolutely free to speak to us for organization. nd we believe we are going to share the best trading practical experience with all our merchants.
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