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

13.4.23

CAS#200336-86-3 Fmoc-L-Asp(O-2-PhiPr)-OH MFCD00237012 | 36645

 

IUPAC: (2S)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-4-oxo-4-[(2-phenylpropan-2-yl)oxy]butanoic acid

Synonyms Fmoc-Asp(O-2-PhiPr)-OH; Fmoc-L-Asp(2-Phenylisopropyl Ester)-OH
CAT ID# 36645
CAS# 200336-86-3
MDL# MFCD00237012
Molecular Formula C28H27NO6
Molcular
Weight		 473.525
Purity 95%, 97%, 98%
Quality Analysis of HNMR, HPLC, Mass Spectrometry, Chirality/Optical Purity, Specific Rotation, Infrared (IR), Melting Point(M.P.), Karl Fischer Moisture (K.F.), Loss of Drying (LOD), CHN, Residual Solvents, Ignition Residue, Assay etc., may be fully or selectively done.  
Packages 1g, 5g, 10g, 25g, 50g, 100g or pack on demand
Stock Status  
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27.10.20

CAS#1072845-47-6 Fmoc-Alpha-Me-L-Asp(OtBu)-OH MFCD12031692 | 36872

 

IUPAC: (2S)-4-(tert-butoxy)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-methyl-4-oxobutanoic acid

SynonymsFmoc-α-Me-L-Asp(OtBu)-OH; Fmoc-α-methyl-L-Asp(OtBu)-OH; (S)-Fmoc-2-amino-2-methyl-succinic acid-4-tert-butyl ester
CAT36872
CAS1072845-47-6
MDLMFCD12031692
M. FormulaC24H27NO6
M.W.425.481
Quantities1g, 5g, 10g, 25g, 50g, 100g, 250g or Pack on demand;  Stock Status: Usual in stock
InChIKeySTBMKQNEFSJOCS-DEOSSOPVSA-N
EnantiomerCAS#1231709-26-4 Fmoc-Alpha-Me-D-Asp(OtBu)-OH | 36873
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13.4.20

CAS#152548-66-8 Fmoc-N-Me-Asp(OtBu)-OH MFCD00237027 | 36503



IUPAC: (2S)-4-(tert-butoxy)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}(methyl)amino)-4-oxobutanoic acid
Synonyms
Fmoc-N-methyl-L-aspartic acid beta-tert-butyl ester; Fmoc-N-Me-L-Asp(OtBu)-OH;(9H-Fluoren-9-yl)methoxy]carbonyl-N-Me-Asp(OtBu)-OH; Fmoc-N-methyl-L-aspartic acid 4-tert-butyl ester
CAT
36503
CAS
152548-66-8 
MDL
MFCD00237027
M. Formula
C24H27NO6
M.W.
425.481
Quantities
1g, 5g, 10g, 25g, 50g, 100g, 250g or Pack on demand;  Stock Status: Maintained in stock
InChIKey
CYWWLVIEAOUXGW-FQEVSTJZSA-N
Enantiomer
CAS#1799443-40-5 Fmoc-N-Me-D-Asp(OtBu)-OH
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29.9.14

CAS#180675-08-5 Fmoc-Asp(OMpe)-OH MFCD10001333 | 36528

(S)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-4-((3-methylpentan-3-yl)oxy)-4-oxobutanoic acid
Product Name
Fmoc-Asp(OMpe)-OH
GLB ID#
36528
CAS#
180675-08-5
MDL#
MFCD10001333
Formula
C25H29NO6
M.W.
439.5
Appearance
White to off-white powder
Purity
≥98%
Specific Rotation[a]20/D
-18.5°(C=1 in DMF) 
Optical Purity
Not Determined
Melting Point
97.1-101.5°C
Solubility
0.3gram in 2ml DMF clear solution
Water Content (K. F.)
≤1.0% 
Loss on drying
≤1.0%(35°C, 2h)
IR Spectrum
Complies
MS Spectrum
Complies
NMR Spectrum
Complies
Packaging
1g, 5g, 25g, 100g, 250g, 500g, 1kg.... or on request 
Storage
Keep cool & dry under 25o upon the receipt of goods
Price
Use
For the research and development purpose only
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21.9.14

H-Asp-OBzl CAS#7362-93-8 (GLB ID-11021)

(S)-3-amino-4-(benzyloxy)-4-oxobutanoic acid
Product Name
H-Asp-OBzl; L-Aspartic Acid Alpha-Benzyl Ester
GLB ID#
11021
CAS#
7362-93-8 
MDL#
MFCD00063186
Formula
C11H13NO4
M.W.
223.2
Appearance
White to off-white powder
Purity
≥98%
Specific Rotation[a]20/D
Once measured at ~18.55°(C=2 in 1N HCl) 
Optical Purity
Not Determined
Melting Point
~160°
Solubility
0.1gram in 4ml 1N HCl clear solution
Water Content (K. F.)
Not determined
Loss on drying
≤2.0%(50°C, 2h)
IR Spectrum
Complies
MS Spectrum
Complies
NMR Spectrum
Complies
Packaging
5g, 25g, 100g, 250g, 500g, 1kg, 5kg, 20kg.... or on request 
Storage
Keep dry under 25o upon the receipt
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20.9.14

Boc-Asp(OMe)-OH·DCHA CAS#135941-84-3 (GLB ID-30399)

(S)-2-((tert-butoxycarbonyl)amino)-4-methoxy-4-oxobutanoic acid
Product Name
Boc-Asp(OMe)-OH·DCHA; Boc-L-Aspartic Acid 4-Methyl Ester Dicyclohexylamine Salt
GLB ID#
30399
CAS#
135941-84-3
MDL#
MFCD00270494
Formula
C22H30N2O6
M.W.
428.5
Appearance
White to off-white powder
Purity
≥98%
Specific Rotation[a]20/D
+15°±2°(C=1 in 1 MeOH) 
Optical Purity
Not Determined
Melting Point
~160°
Solubility
0.3gram in 6ml EtOH clear solution
Water Content (K. F.)
≤2.0% 
Loss on drying
≤2.0%(70°C, 2h)
IR Spectrum
Complies
MS Spectrum
Complies
NMR Spectrum
Complies
Packaging
1g, 5g, 25g, 100g, 500g, 1kg, 2kg.... or on request 
Storage
Keep dry under 25o upon the receipt
Price
Use
For the research and development purpose only
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3.9.14

H-Asp-OtBu CAS#4125-93-3 (GLB ID-11023)

(S)-3-amino-4-(tert-butoxy)-4-oxobutanoic acid
Product Name
H-Asp-OtBu
GLB ID#
11023
CAS#
4125-93-3
MDL#
MFCD00171675
Formula
C8H15NO4
M.W.
189.2
Appearance
White to off-white powder
Purity
≥98%
Specific Rotation[a]20/D
+3.6°(C=1 in AcOH)
Optical Purity
Not Determined
Melting Point
Not Determined
Solubility
0.3gram in 2ml 1N HCl clear solution
Water Content (K. F.)
≤2.0%
Loss on drying
≤2.0%(50°C, 2h)
IR Spectrum
Complies
MS Spectrum
Complies
NMR Spectrum
Complies
Packaging
1g, 5g, 25g, 100g, 500g.... or on request 
Storage
Keep dry under 25o upon the receipt
Price
Use
For the research and development purpose only
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27.8.14

Boc-Asp-OMe CAS#98045-03-5 (GLB ID-30400)

(S)-3-((tert-butoxycarbonyl)amino)-4-methoxy-4-oxobutanoic acid
Product Name
Boc-Asp-OMe
GLB ID#
30400
CAS#
98045-03-5
MDL#
MFCD03094777
Formula
C10H17NO6
M.W.
247.2
Appearance
White to off-white powder
Purity
≥98%
Specific Rotation[a]20/D
-20°±2°(C=2 in MeOH)
Optical Purity
Not Determined
Melting Point
~88°C
Solubility
0.3g in 2ml DMF clear solution
Water Content (K. F.)
≤1.0%
Loss on drying
≤1.0%(40°C, 2h)
IR Spectrum
Complies
MS Spectrum
Complies
NMR Spectrum
Complies
Packaging
1g, 5g, 25g, 100g, 500g, 1kg, 5kg....or on request 
Storage
Keep dry under 25o upon the receipt
Price
Use
For the research and development purpose only
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H-Asp-OMe CAS#17812-32-7 (GLB ID-11022)

L-Aspartic Acid Alpha-Methyl Ester
Product Name
H-Asp-OMe
GLB ID#
11022
CAS#
17812-32-7
MDL#
MFCD00080289
Formula
C5H9NO4
M.W.
147.1
Appearance
White to off-white powder
Purity
≥98%
Specific Rotation[a]20/D
+21°±2.5°(C=1 in AcOH)
Optical Purity
Not Determined
Melting Point
~10°C
Solubility
0.3g in 2ml 1N HCl clear solution
Water Content (K. F.)
≤1.0%
Loss on drying
≤1.0%(60°C, 2h)
IR Spectrum
Complies
MS Spectrum
Complies
NMR Spectrum
Complies
Packaging
1g, 5g, 25g, 100g, 500g, 1kg, 5kg.... or on request 
Storage
Keep dry under 25o upon the receipt
Price
Use
For the research and development purpose only
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26.8.14

Boc-Asp(OMe)-OH CAS#59768-74-0 (GLB ID-30339)

(S)-2-((tert-butoxycarbonyl)amino)-4-methoxy-4-oxobutanoic acid
Product Name
Boc-Asp(OMe)-OH
GLB ID#
30339
CAS#
59768-74-0
MDL#
MFCD00078971
Formula
C10H17NO6
M.W.
247.2
Appearance
White to off-white powder
Purity
≥98%
Specific Rotation[a]20/D
-5°±0.5°(C=2 in MeOH)
Optical Purity
Not Determined
Melting Point
60-70°C
Solubility
0.3gram in 2ml MeOH clear solution
Water Content (K. F.)
≤2.0%
Loss on drying
Not Determined
IR Spectrum
Complies
MS Spectrum
Complies
NMR Spectrum
Complies
Packaging
1g, 5g, 25g, 100g, 500g, 1kg, 5kg.... or on request 
Storage
Keep dry under 25o upon the receipt
Price
Use
For the research and development purpose only
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29.7.14

Fmoc-Asp-OtBu CAS#129460-09-9 (GLB ID-36510)

Fmoc-L-Aspartic Acid Alpha-Tert-Butyl Ester
Product
Fmoc-Asp-OtBu
GLB ID#
36510
CAS#
129460-09-9
MDL#
MFCD00065631
Formula
C23H25NO6
M.W.
411.5
Appearance
White to off-white powder
Purity
≥98%
Specific Rotation[a]20/D
-23o±2.5o (C=1 in DMF)
Optical Purity
Not Determined
Melting Point
100-118oC
Solubility
0.3 gram in 2ml DMF clear solution
NMR Spectrum
Complies
Packaging
5g, 25g,1 00g, 250g, 500g, 1kg, 10kg.... or on request 
Storage
Keep dry under 25o upon the receipt
Price
Use
For the research and development purpose only
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24.7.14

Fmoc-Asp(OtBu)-OH CAS#71989-14-5 (GLB ID-36501)

Fmoc-L-Aspartic Acid Beta-Tert-Butyl Ester
Product
Fmoc-Asp(OtBu)-OH
GLB ID#
36501
CAS#
71989-14-5 
MDL#
MFCD00037131
Formula
C23H25NO6
M.W.
411.5
Appearance
White to off-white powder
Purity
≥99%
Specific Rotation[a]20/D
-24o±2.5o (C=1 in DMF)
Optical Purity
≤0.3% D-enantiomer
Melting Point
145.160oC
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
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20.6.14

Fmoc-Asp(EDANS)-OH CAS#182253-73-2 (GLB ID-36534)


ProductFmoc-Asp(EDANS)-OH
GLB ID#36534
CAS#182253-73-2
MDLMFCD02094140
FormulaC31H29N3O8S
M.W.603.6
AppearanceGray to off-white powder
Purity≥95%
Clarity of solution0.3gram in 2ml DMF clear solution
Packaging1g, 5g, 10g, 25g, 50g, 100g...
PriceRequest A Quote
UseFor the research and development purpose only
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