FMOC-O-tert-Butyl-L-serine Cas:71989-33-8

We are FMOC-O-tert-Butyl-L-serine CAS:71989-33-8 manufacturer and supplier in China, Pls send inquiry of to of visit our official website should you have any interests


(2S)-2-(9H-fluoren-9-ylmethoxycarbonylamino)-3-[(2-methylpropan-2-yl)oxy]propanoic acid
Molecular Formula: C22H25NO5
Molecular weight: 383.43800
Appearance and properties: white to off-white powder
Density: 1.216 g/cm3
Boiling point: 578.6ºC at 760 mmHg
Melting point: 130.5-135.5 °C(lit.)
Flash point: 303.7ºC
Refractive index: 24 ° (C=1, AcOEt)
Stability: Stable under normal temperatures and pressures.
Storage conditions: 2-8ºC
Uses: Used in peptide synthesis and used as amino acid protection monomer.


Items of Analysis Standard of Analysis Test Results
Appearance White to off-white crystal Conform
Moisture ≤1.0% 0.15%
Specific rotation[α]20/D
(C=1 in Ethyl acetate)
+25±2.0° +26.43°
Purity ≥98.0% 99.96%
Chiral purity ≥99.0% 99.67%
Conclusion Conforms to Factory Standard

Market News:But since the emergence of the Delta variant, the health ministry has twice reported a drop in the vaccine’s efficacy against infection and a slight decrease in its protection against severe disease. 8-Hydroxy-5,8-dimethyl-11-oxo-5,6,7,8,9,10-hexahydro-5,9-methano-benzocycloocten manufacturer.The booster campaign, with shots administered by health maintenance organisations, will effectively turn Israel into a testing ground for a third dose before approval by the U.S. Food and Drug Administration (FDA). 5α-Androstan-4,7,17-trion supplier.Israel was a world leader in the vaccination rollout, with many seniors getting their shots in December, January and February as they were regarded as the most vulnerable sector of the population. N-<2,3-Di-(S-Glutathionyl)-maleoyl>-α-aminobutyryl-glycin*2HCl producer.

Related Products
Product Name
1-Methylimidazole Cas:616-47-7 View Details
2,4-Dichloro-3,5-dinitrobenzotrifluoride View Details
spiro[1-azabicyclo[2.2.2]octane-3,2′-oxirane] View Details
2,3,4-Trifluoroaniline Cas:3862-73-5 manufacturer 2,3-Dihydrobenzofuran Cas:496-16-2 manufacturer Methylaminoformyl Chloride manufacturer O-phenetidine Cas:94-70-2 manufacturer Dronedarone Hydrochloride Cas:141625-93-6 manufacturer