Showing posts with label Ile Derivatives. Show all posts
Showing posts with label Ile Derivatives. Show all posts

28.12.14

Fmoc-D-Ile-OH CAS#143688-83-9 (GLB ID-35403)

(2R,3R)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-methylpentanoic acid
Product Name
Fmoc-D-Ile-OH; Fmoc-D-Isoleucine
GLB ID#
35403
CAS#
143688-83-9 
MDL#
MFCD00080291
Formula
C21H2NO4
M.W.
353.4
Appearance
White to off-white powder
Purity
≥98%
Specific Rotation[a]20/D
+11.5°±1° (C=1 in DMF)
Optical/Chiral Purity
Fmoc-D-Ile-OH Enantiomers: Fmoc-L-Ile-OH: ≤0.25%
                                           Fmoc-L-Allo-Ile-OH: ≤0.25%
                                           Fmoc-D-Allo-Ile-OH: ≤0.35%
Assay (Titration)
≥98%
Solubility
0.3gram in 2ml DMF clear solution
Water Content (K. F.)
Not measured
Loss on drying
Not measured
IR Spectrum
Complies
MS Spectrum
Complies
NMR Spectrum
Complies
Packaging
1g, 5g, 10g, 25g, 50g, 100g...... or on request 
Storage
Keep cool & dry under -4oupon the receipt of goods
Price
Use
For the research and development purpose only
Remarks
Fmoc-D-Ile-OH is a very special compound. Due to the fact that Isoleucine has two chiral carbons, D-Isoleucine, unalike D-Threonine, is very difficult to produce. H-D-Ile-OH previously has always been plagued by the over-occurrence of H-D-Allo-Ile-OH during the synthesis, but nowadays such bottleneck has been resolved. As such, GL Biochem (Shanghai) Ltd. is proudly to supply our customers with the derivatives of this rare and precious compound. The quality of Fmoc-D-Ile-OH is 100% Warranted. Welcome to send your inquiry quote request to us, but no too much bargain please! Thanks for your understanding & support!!!

15.7.14

Fmoc-Ile-OH CAS#71989-23-6 (GLB ID-35401)

Fmoc-L-Isoleucine
Product
Fmoc-Ile-OH
GLB ID#
35401
CAS#
71989-23-6
MDL#
MFCD00037125
Formula
C21H23NO4
M.W.
353.4
Appearance
White to off-white powder
Purity
≥99%
Specific Rotation[a]20/D
-12o±2o (C=1 in DMF)
Optical Purity
≤0.3% D-enantiomer
Melting Point
140-155oC
Solubility
0.3 gram in 2ml DMF clear solution
NMR Spectrum
Complies
Packaging
100g, 250g, 500g, 1kg, 100kg, 250kg.... or on request 
Storage
Keep dry under 25o upon the receipt
Price
Use
For the research and development purpose only

11.7.14

Fmoc-N-Me-Ile-OH CAS#138775-22-1 (GLB ID-35402)

Fmoc-N-Methyl-L-Isoleucine
Product
Fmoc-N-Me-Ile-OH
GLB ID#
35402
CAS#
138775-22-1
MDL#
MFCD00153389
Formula
C22H25NO4
M.W.
367.4
Appearance
White to off-white powder
Purity
≥98%
Specific Rotation[a]20/D
-59o±2o(C=1 in DMF)
Optical Purity
Not Determined
Melting Point
~170oC
Solubility
0.3gram in 2ml DMF clear solution
NMR Spectrum
Not Determined
Packaging
5g, 25g, 100g, 250g, 500g, 1kg.... or on request 
Storage
Keep dry under 25o upon the receipt
Price
Use
For the research and development purpose only