Products Description
Micafungin FR-179642 Impurity (acid) is an important chemical intermediate, mainly used in the synthesis of echinocandin antifungal drugs. Its molecular formula is C35H52N8O20S, and its molecular weight is 936.89. Its density is 1.75±0.1 g/cm³, its melting point is greater than 150°C, and its acidity coefficient (pKa) is -4.46±0.18.
FR 179642 is slightly soluble in DMSO, slightly soluble in methanol under heating and ultrasonic treatment, is hygroscopic, and should be stored in a dry environment at -20°C.


Basic Info
| CAS | 168110-44-9 |
| Chemical formula | C₃₅H₅₂N₈O₂₀S |
| Molecular weight | 936.89 |
| Density | 1.75 ± 0.1 g/cm³ (20 ºC 760 Torr) |
| Melting point | >150 ºC (dec.) |
| Solubility | DMSO (slightly heated), methanol (slightly heated, sonicated) |
| Acidity coefficient | -4.46 ± 0.18 (Predicted) |
| Storage conditions | Hygroscopic, -20°C Freezer, Under inert atmosphere |
| Stability | Hygroscopic |
| Appearance | Solid |
| Color | White to Off-White |

Uses
Micafungin FR-179642 Impurity (acid) is mainly used in the synthesis of antifungal agents, especially active against Aspergillus and Candida. It is an impurity reference substance and is often used in the synthesis process of chemical pharmaceutical research and development. In addition, it is also used for content determination, identification, pharmacological experiments and activity screening, etc.
Company Profile
Gneechem, located in Henan Province, China, is part of the GNEE Group, with 22 years of experience in foreign trade, specializing in providing high-quality chemical raw materials and professional trading services to customers around the world. We supply basic chemical raw materials, fine chemicals and specialty chemicals for a wide range of industries.We are ISO9001 certified and have been recognized by a number of authoritative qualifications at home and abroad, making us a trusted partner of our customers.




FAQ
1. How do I get a price?
-We usually quote within 24 hours of receiving your inquiry (excluding weekends and holidays).
-If you need a price urgently, please email or contact us by other means so that we can quote for you.
2.What is your delivery time?
-It depends on the number of orders and the season in which you place your order.
-Usually, orders can be dispatched within 7-15 days for small orders and 25 days for large orders.
3. What is the shipping method?
-You can ship by sea, air, or express (EMS, UPS, DHL, TNT, FEDEX, etc.).
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