Showing posts with label D-Cys Derivatives. Show all posts
Showing posts with label D-Cys Derivatives. Show all posts

21.3.20

CAS#2389078-16-2 Fmoc-D-Cys(Dpm)-OH | 35217

IUPAC: (2S)-3-[(diphenylmethyl)sulfanyl]-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)propanoic acid

Synonyms
Fmoc-S-(Diphenylmethyl)-D-Cysteine; S-Benzhydryl-N-Fmoc-D-Cysteine;  Fmoc-D-Cys(Diphenylmethyl)-OH; Fmoc-D-Cysteine(DPM)
CAT#
35217
CAS#
2389078-16-2
MDL#
Molar Formula
C31H27NO4S
Molar Weight
509.620
Purity
95%, or 98% 
Packages
100mg, 250mg, 1g, 5g, 10g, 25g, 100g, 250g or pack on demand
InChiKey
IVPLDYIPIHKRET-MUUNZHRXSA-N
Enantiomer

CAS#2158336-82-2 Boc-D-Cys(Dpm)-OH | 30512

IUPAC: (2S)-2-{[(tert-butoxy)carbonyl]amino}-3-[(diphenylmethyl)sulfanyl]propanoic acid
Synonyms
N-[(1,1-Dimethylethoxy)carbonyl]-S-(diphenylmethyl)-L-Cysteine; S-Benzhydryl-N-Boc-D-cysteine; (tert-Butoxy)carbonyl-D-Cys(Dpm)-OH
CAT#
30512
CAS#
2158336-82-2
MDL#
Molar Formula
C21H25NO4S
Molar Weight
229.276
Purity
95%, or 98% 
Packages
100mg, 250mg, 1g, 5g, 10g, 25g, 100g, 250g or pack on demand
InChiKey
AMTHPOXIVDHMLZ-QGZVFWFLSA-N
Enantiomer

26.10.19

Fmoc-alpha-me-D-Cys(Trt)-OH | 35281

IUPAC:(2R)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-methyl-3-[(triphenylmethyl)sulfanyl]propanoic acid
Synonyms
Fmoc-α-me-D-Cys(Trt)-OH; Fmoc-S-Trityl-Alpha-Me-D-Cysteine
CAT#
35281
CAS#
MDL#

Molar Formula
C38H33NO4S
Molar Weight
599.750
SMILES
C[C@](CSC(C1=CC=CC=C1)(C1=CC=CC=C1)C1=CC=CC=C1)(NC(=O)OCC1C2=C(C=CC=C2)
C2=C1C=CC=C2)C(O)=O
InChIKey
AWLPKAIRGNZKIN-DIPNUNPCSA-N
Enantiomer
Quality
Analysis like HNMR, Purity, MS, Chirality, Specific Rotation, IR, M.P., K.F., LOD etc. May be Fully or Selectively Done.

27.8.14

Boc-D-Cys(Trt)-OH CAS#87494-13-1 (GLB ID-30506)


(S)-2-((tert-butoxycarbonyl)amino)-3-(tritylthio)propanoic acid

Product Name
Boc-D-Cys(Trt)-OH
GLB ID#
30506
CAS#
87494-13-1
MDL#
MFCD00236839
Formula
C27H29NO4S
M.W.
463.6
Appearance
White to off-white powder
Purity
≥98%
Specific Rotation[a]20/D
-28°±2°(C=1 in EtOH)
Optical Purity
Not Determined
Melting Point
142-150°C
Solubility
0.3g in 2ml DMF 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
25g, 100g, 500g, 1kg, 5kg, 10kg, 50kg.... or on request 
Storage
Keep dry under 25o upon the receipt
Price
Use
For the research and development purpose only


Update (2015/Feb/8): The originally posted structure is of Boc-Cys(Trt)-OH.

15.7.14

Fmoc-D-Cys(Trt)-OH CAS#167015-11-4 (GLB ID-35206)


(S)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-(tritylthio)propanoic acid
Product
Fmoc-D-Cys(Trt)-OH; Fmoc-S-Trityl-D-Cysteine
GLB ID#
35206
CAS#
167015-11-4
MDL#
MFCD00151922
Formula
C37H31NO4S
M.W.
585.7
Appearance
White to off-white powder
Purity
≥99%
Specific Rotation[a]20/D
-20o±2o (C=1 in DMF)
Optical Purity
≤0.5% L-enantiomer
Melting Point
170-180oC
Solubility
0.3 gram in 2ml DMF clear solution
NMR Spectrum
Complies
Packaging
5g, 25g, 100g, 250g, 500g, 1kg, 100kg.... or on request 
Storage
Keep dry under 25o upon the receipt
Price
Use
For the research and development purpose only


Update (2015/Feb/8): This originally posted structure is of Fmoc-Cys(Trt)-OH.

9.7.14

Fmoc-D-Cys(Acm)-OH CAS#168300-88-7 (GLB ID-36304)

(S)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-((acetamidomethyl)thio)propanoic acid
Product
Fmoc-D-Cys(Acm)-OH
GLB ID#
36304
CAS#
168300-88-7
MDL#
MFCD00077053
Formula
C21H22N2O5S
M.W.
414.5
Appearance
White to off-white powder
Purity
≥98%
Specific Rotation[a]20/D
Maybe batch specific (C=1 in MeOH)
Optical Purity
≤0.5% L-enantiomer
Melting Point
Maybe batch specific
Solubility
0.3gram in 2ml DMF clear solution
NMR Spectrum
Complies
Packaging
5g, 25g, 100g, 250g, 500g,.... or on request 
Storage
Keep dry under 25o upon the receipt
Price
Use
For the research and development purpose only


Update (2015/Feb/8): The originally posted structure is of Fmoc-Cys(Acm)-OH.

Boc-D-Cys(Acm)-OH CAS#138775-00-5 (GLB ID-30513)


(S)-3-((acetamidomethyl)thio)-2-((tert-butoxycarbonyl)amino)propanoic acid
Product
Boc-D-Cys(Acm)-OH; Boc-S-Acetamidomethyl-D-Cysteine
GLB ID#
30513
CAS#
138775-00-5
MDL#
MFCD00076917
Formula
C11H20N2O5S
M.W.
292.4
Appearance
White to off-white powder
Purity
≥98%
Specific Rotation[a]20/D
Maybe batch specific (C=1 in MeOH)
Optical Purity
Not determined
Melting Point
Maybe batch specific
Solubility
0.3gram in 2ml MeOH clear solution
NMR Spectrum
Not determined
Packaging
5g, 25g, 100g, 250g, 500g.... or on request 
Storage
Keep dry under 25o upon the receipt
Price
Use
For the research and development purpose only
Update (2015/Feb/8): The originally posted structure should be of Boc-L-Cys(Acm)-OH.