Peptidochem: Cys Derivatives

Showing posts with label Cys Derivatives. Show all posts

21.3.20

CAS#247595-29-5 Fmoc-L-Cys(Dpm)-OH MFCD02682541 | 35216

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

Synonyms	Fmoc-S-(Diphenylmethyl)-L-Cysteine; S-Benzhydryl-N-Fmoc-L-Cysteine; Fmoc-L-Cys(Diphenylmethyl)-OH; Fmoc-L-Cysteine(DPM)
CAT#	35216
CAS#	247595-29-5
MDL#	MFCD02682541
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-NDEPHWFRSA-N
Enantiomer	<0.5% CAS#2389078-16-2 Fmoc-D-Cys(Dpm)-OH

IUPAC: (2R)-2-{[(tert-butoxy)carbonyl]amino}-3-[(diphenylmethyl)sulfanyl]propanoic acid

Synonyms	N-[(1,1-Dimethylethoxy)carbonyl]-S-(diphenylmethyl)-L-Cysteine; S-Benzhydryl-N-Boc-L-cysteine; (tert-Butoxy)carbonyl-L-Cys(Dpm)-OH
CAT#	30511
CAS#	21947-97-7
MDL#	MFCD00151869
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-KRWDZBQOSA-N
Enantiomer

CAS#1198791-74-0 (R)-Fmoc-S-Mmt-a-Methylcysteine | 25431

IUPAC: (2R)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-3-{[(4-methoxyphenyl)diphenylmethyl]sulfanyl}-2-Methylpropanoic acid

Synonyms	Fmoc-Alpha-Me-L-Cys(Mmt)-OH; Fmoc-S-Mmt-α-Methyl-L-Cysteine; (R)-L-N-Fmoc-S-Mmt-a-Methylcysteine; Fmoc-α-Me-L-Cys(Mmt)-OH;
CAT#	25431
CAS#	1198791-74-0
MDL#	/
Molar Formula	C39H35NO5S
Molar Weight	629.770
Purity	95%, 97%, 98%
Packages	100mg, 250mg; 1g, 5g, 10g, or packing on demand
InChiKey	FTIUQZHUKYUVEE-LHEWISCISA-N
Enantiomer	Fmoc-Alpha-Me-D-Cys(Mmt)-OH

CAS#725728-43-8 Fmoc-alpha-me-Cys(Trt)-OH MFCD30749166 | 36874

IUPAC NAME:(2R)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}amino)-2-methyl-3-[(triphenylmethyl)sulfanyl]propanoic acid

Synonyms	Fmoc-α-me-Cys(Trt)-OH; Fmoc-α-me-L-Cys(Trt)-OH;Fmoc-S-Trityl-Alpha-Me-L-Cysteine
CAT#	36874
CAS#	725728-43-8
MDL#	MFCD30749166
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-QNGWXLTQSA-N
Enantiomer	Fmoc-alpha-me-D-Cys(Trt)-OH
Quality	Analysis like HNMR, Purity, MS, Chirality, Specific Rotation, IR, M.P., K.F., LOD etc. May be Fully or Selectively Done.

CAS#481642-17-5 Fmoc-N-Me-Cys(Me)-OH | 35279

(2R)-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}(methyl)amino)-3-(methylsulfanyl)propanoic acid

Synonyms	Fmoc-N-Me-L-Cys(Me)-OH; Fmoc-Dimethyl-L-Cysteine
CAT	35729
CAS	481642-17-5
MDL
Formula	C30H24ClNO6
M.W.	499.98
SMILES	CSC[C@H](N(C)C(=O)OCC1C2=C(C=CC=C2)C2=C1C=CC=C2)C(O)=O
InChIKey	GHJZJWOYPATEAL-SFHVURJKSA-N
Quality	Analysis like HNMR, Purity, MS, Chirality, Rotation, IR, M.P., K.F., LOD etc. may be fully or selectively done.
Inquiry	Please email to fisherwang@glbiochem.com or others
Usage	For the research and development, or industrial production purposes only, strictly forbidden for unapproved drug use.

24.8.19

CAS#481642-19-7 Fmoc-N-Me-Cys(Acm)-OH MFCD30187631 | 35280

(2R)-3-[(acetamidomethyl)sulfanyl]-2-({[(9H-fluoren-9-yl)methoxy]carbonyl}(methyl)amino)propanoic acid

Synonyms	Fmoc-N-Me-L-Cys(Acm)-OH; Fmoc-MeCys(Acm)-OH
CAT#	35280
CAS	481642-19-7
MDL	MFCD00910281
Formula	C30H24ClNO5
M.W.	498.980
SMILES	CN([C@@H](CSCNC(C)=O)C(O)=O)C(=O)OCC1C2=C(C=CC=C2)C2=C1C=CC=C2
Price	Please inquire fisherwang@glbiochem.com or Others
Usage	For the R&D purpose only, strictly not permitted for drug use.

16.2.15

Boc-Cys(pMeOBzl)-OH CAS#18942-46-6 (GLB ID-30503)

(R)-2-((tert-butoxycarbonyl)amino)-3-((4-methoxybenzyl)thio)propanoic acid

Product Synonyms	Boc-Cys(pMeOBzl)-OH; Boc-Cys(MOB)-OH; Boc-S-p-Methoxybenzyl-L-Cysteine
GLB ID#	30503
CAS#	18942-46-6
MDL#	MFCD00038254
PubChem CID	87863
InChIKey	VRTXRNJMNFVTOM-ZDUSSCGKSA-N
Formula	C₁₆H₂₃NO5S
M.W.	341.4
Appearance	White to off-white powder
Purity	≥98%
Specific Rotation[a]²⁰/D	-39°±2° (C=2 in DMF)
Optical Purity	When requesting quote, please advise in advance
Melting Point	68-77°C
Solubility	0.3gram in 2ml DMF clear solution
Water Content (K. F.)	≤1.0%
Loss on drying	≤1.0% (30°C, 2h)
IR Spectrum	Complies
MS Spectrum	Complies
NMR Spectrum	Complies
Packaging	5g, 25g, 100g, 250g, 500g, 1kg, 2kg..... or on request
Storage	Keep cool & dry under <25^oC upon the receipt of goods
Price	Request A Quote
Use	For the research and development purpose only

10.2.15

Fmoc-Cys(Pam)2-OH(S) CAS#139573-78-7 (GLB-ID-35227)

(R)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-(((S)-2,3-bis(palmitoyloxy)propyl)thio)propanoic acid

Product Name	Fmoc-Cys(Pam)2-OH(S)
GLB ID#	35227
CAS#	139573-78-7
MDL#	N/A
Formula	C₅₃H₈₃NO8S
M.W.	894.3
Appearance	White to off-white powder
Purity	≥95%, 98%
Specific Rotation[a]²⁰/D	Once measured ~+14° (C=1 in CHCl3)
Optical Purity	N/A
Melting Point	Once measured ~90°C
Solubility	0.1gram in 2ml MeOH clear solution
Water Content (K. F.)	Can be measured
Loss on drying	≤1.0% (40°C, 2h)
IR Spectrum	Complies
MS Spectrum	Complies
NMR Spectrum	Complies
Packaging	1g, 2g, 5g, 10g, 25g..... or on request
Storage	Keep cool & dry under <-18^oC upon the receipt of goods
Price	Request A Quote
Use	For the research and development purpose only

(R)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-(((R)-2,3-bis(palmitoyloxy)propyl)thio)propanoic acid

Product Name	Fmoc-Cys(Pam)2-OH(R)
GLB ID#	35226
CAS#	139573-77-6
MDL#	N/A
Formula	C₅₃H₈₃NO8S
M.W.	894.3
Appearance	White to off-white powder
Purity	≥95%, 98%
Specific Rotation[a]²⁰/D	Once measured ~+13° (C=1 in CHCl3)
Optical Purity	N/A
Melting Point	Once measured ~90°C
Solubility	0.1gram in 2ml MeOH clear solution
Water Content (K. F.)	Can be measured
Loss on drying	≤1.0% (40°C, 2h)
IR Spectrum	Complies
MS Spectrum	Complies
NMR Spectrum	Complies
Packaging	1g, 2g, 5g, 10g, 25g..... or on request
Storage	Keep cool & dry under <-18^oC upon the receipt of goods
Price	Request A Quote
Use	For the research and development purpose only

Fmoc-Cys(pMeOBzl)-OH CAS#141892-41-3 (GLB ID-35203)

(S)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-((4-methoxybenzyl)thio)propanoic acid

Product Name	Fmoc-Cys(pMeOBzl)-OH; Fmoc-S-4-Methoxybenzyl-L-Cysteine
GLB ID#	35203
CAS#	141892-41-3
MDL#	MFCD00065635
Formula	C₂₀H₁₉NO₆
M.W.	463.60
Appearance	White to off-white powder
Purity	≥98%
Specific Rotation[a]²⁰/D	-40°±2°(C=1 in DMF)
Optical Purity	Not measured
Melting Point	~140°
Solubility	0.3gram in 2ml DMF clear solution
Water Content (K. F.)	≤1.0%
Loss on drying	≤2.0%(60°C, 2h)
IR Spectrum	Complies
MS Spectrum	Complies
NMR Spectrum	Complies
Packaging	25g, 100g, 500g, 1kg, 2kg, 5kg, 10kg.... or on request
Storage	Keep cool & dry under 25^o upon the receipt of goods
Price	Request A Quote
Use	For the research and development purpose only

Update (2015/Feb/8): The originally posted structure was not correct because of a wrong configuration of the chiral carbon atom

29.8.14

Fmoc-Cys(tBu)-OH CAS#67436-13-9 (GLB ID-35204)

(R)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-(tert-butylthio)propanoic acid

Product Name	Fmoc-Cys(tBu)-OH
GLB ID#	35204
CAS#	67436-13-9
MDL#	MFCD00037130
Formula	C₂₂H₂₅NO₄S
M.W.	399.5
Appearance	White to off-white powder
Purity	≥98%
Specific Rotation[a]²⁰/D	-22°±3°(C=1 in DMF)
Optical Purity	Not Determined
Melting Point	135-145°C
Solubility	0.3gram in 2ml DMF clear solution
Water Content (K. F.)	≤1.0%
Loss on drying	≤1.0%(50°C, 2h)
IR Spectrum	Complies
MS Spectrum	Complies
NMR Spectrum	Complies
Packaging	1g, 5g, 25g, 100g, 500g, 1kg, 5kg, 10kg,.... or on request
Storage	Keep dry under 25^o upon the receipt
Price	Request A Quote
Use	For the research and development purpose only

26.8.14

Boc-Cys(Trt)-OH CAS#21947-98-8 (GLB ID-30504)

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

Product Name	Boc-Cys(Trt)-OH
GLB ID#	30504
CAS#	21947-98-8
MDL#	MFCD00038251
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	500g, 1kg, 10kg, 50kg, 100kg, 150kg.... or on request
Storage	Keep dry under 25^o upon the receipt
Price	Request A Quote
Use	For the research and development purpose only

Update: The originally posted structure are of Boc-D-Cys(Trt)-OH.

29.7.14

H-Cys(pMeOBzl)-OH CAS#2544-31-2 (GLB ID-13005)

(R)-2-amino-3-((4-methoxybenzyl)thio)propanoic acid

Product Synonyms	H-Cys(pMeOBzl)-OH; H-Cys(Mob)-OH; S-4-Methoxybenzyl-L-Cysteine
GLB ID#	13005
CAS#	2544-31-2
MDL#	MFCD00037207
Formula	C₁₁H₁₅NO₃S
M.W.	241.3
Appearance	White to off-white powder
Purity	≥98%
Specific Rotation[a]²⁰/D	Not Determined
Optical Purity	Not Determined
Melting Point	Not Determined
Solubility	0.1 gram in 2ml DMF and 1ml 6N HCl clear solution
NMR Spectrum	Complies
Packaging	5g, 10g, 25g, 50g, 100g .... or on request
Storage	Keep dry under 25^o upon the receipt
Price	Request A Quote
Use	For the research and development purpose only

Update: 2015/Feb/8: The originally posted structure is of H-D-Cys(pMeOBzl)-OH (which may be sought extremely occassional).

Peptidochem