ChemicalBook--->CAS DataBase List--->71989-31-6

71989-31-6

71989-31-6 Structure

71989-31-6 Structure
IdentificationMore
[Name]

FMOC-L-Proline
[CAS]

71989-31-6
[Synonyms]

9-FLUORENYLMETHOXYCARBONYL-L-PROLINE
FMOC-L-PRO
FMOC-L-PROLINE
FMOC-L-PRO-OH
FMOC-L-PRO-OH H2O
FMOC-PRO
FMOC-PROLINE
FMOC-PRO-OH
FMOC-PRO-OH H2O
FMOC-PYRD(2)-OH
N-(9-FLUORENYLMETHOXYCARBONYL)-L-PROLINE
N-(9-FLUORENYLMETHOXYCARBONYL)-L-PYRROLIDINE-2-CARBOXYLIC ACID
N-9-FLUORENYLMETHYLOXYCARBONYL-L-PROLINE
N-(9-FLUOROENYLMETHOXYCARBONYL)-L-SERINE
N-[(9H-FLUOREN-9-YLMETHOXY)CARBONYL]-L-PROLINE
N-ALPHA-(9-FLUORENYLMETHOXYCARBONYL)-L-PROLINE
N-ALPHA-(9-FLUORENYLMETHOXYCARBONYL)-L-PROLINE MONOHYDRATE
N-ALPHA-FMOC-L-PROLINE
N-FMOC-L-PRO
N-FMOC-L-PROLINE
[EINECS(EC#)]

276-259-0
[Molecular Formula]

C20H19NO4
[MDL Number]

MFCD00065670
[Molecular Weight]

337.37
[MOL File]

71989-31-6.mol
Chemical PropertiesBack Directory
[Appearance]

white to light yellow crystal powde
[Melting point ]

117-118 °C(lit.)
[alpha ]

-32 º (c=1,DMF)
[Boiling point ]

473.68°C (rough estimate)
[density ]

1.2486 (rough estimate)
[refractive index ]

-32.5 ° (C=1, DMF)
[storage temp. ]

2-8°C
[solubility ]

Soluble in methanol. (almost transparency.)
[form ]

Solid
[pka]

3.95±0.20(Predicted)
[color ]

White to Off-White
[optical activity]

[α]20/D 32±1°, c = 1% in DMF
[Detection Methods]

T,NMR,Rotation
[BRN ]

3596735
[Concentration]

0.1 mCi/ml
[Solvent]

Ethanol
[Specific Activity]

50-60 mCi/mmol
[CAS DataBase Reference]

71989-31-6(CAS DataBase Reference)
Safety DataBack Directory
[Hazard Codes ]

Xi
[Risk Statements ]

R36/37/38:Irritating to eyes, respiratory system and skin .
[Safety Statements ]

S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing .
S24/25:Avoid contact with skin and eyes .
[WGK Germany ]

3
[HS Code ]

29339900
Raw materials And Preparation ProductsBack Directory
[Raw materials]

L-Proline hydrochloride-->9-Fluorenylmethyl chloroformate-->L-Proline
[Preparation Products]

FMOC-L-HYP(BOM)-OH-->INDOLICIDIN-->FMOC-PRO-OL-->N-BENZYL-L-PROLINE-->ANGIOTENSIN I, HUMAN-->MELITTIN-->ANGIOTENSIN II, HUMAN-->FMOC-PRO-ONP-->1H-Pyrrole-1-carboxylic acid, 2,3-dihydro-, 9H-fluoren-9-ylmethyl ester
Material Safety Data Sheet(MSDS)Back Directory
[msds information]

FMOC-L-Proline(71989-31-6).msds
Hazard InformationBack Directory
[Description]

Fmoc-Pro-OH is easily dissolved in DMF or NMP. Proline fails to produce a blue-to purple color in the Kaiser test. The Isatin test may be used to test the completion of couplings to proline residues.
[Chemical Properties]

white to light yellow crystal powde
[Uses]

L-Proline-N-Fmoc is N-Fmoc protected L-Proline (P755995) which is an amino acid and precursor (with vitamin C) for collagen, the building block of the structure of tendons, ligaments, arteries, veins and muscles. It is important in wound healing.
[Preparation]

To a solution of (S)-pyrrolidine-2-carboxylic acid (1 g, 8.7 mmol) in 1,4-dioxane (4 mL) and water (15 mL), K2CO3 (3.24 g, 23 mmol) was added, followed by the addition of 9-fluorenylmethyl chloroformate (2.3 g, 8.3 mmol). The resulting mixture was stirred overnight at room temperature and then treated with water (10 mL). The resulting mixture was extracted with diethyl ether (2 x 20 mL), and the aqueous phase was made acidic with 1M HCl to a pH of 2-3, followed by extraction with dichloromethane (3 x 50 mL). The combined organic layers were dried using anhydrous sodium sulfate and concentrated to yield Fmoc-Pro-OH as a white solid in a 95% yield (2.8 g).
[General Description]

The product number for this product was previously 04-12-1031.

To obtain a certificate of analysis (CoA) of a lot that begins with the letter “A”, please select the option in the right hand menu “Request a COA for Lot#s starting with A”.
Spectrum DetailBack Directory
[Spectrum Detail]

FMOC-L-Proline(71989-31-6)IR1
FMOC-L-Proline(71989-31-6)IR2
Well-known Reagent Company Product InformationBack Directory
[Acros Organics]

FMOC-L-Proline, 99%(71989-31-6)
[Alfa Aesar]

N-Fmoc-L-proline, 98%(71989-31-6)
[Sigma Aldrich]

71989-31-6(sigmaaldrich)
[TCI AMERICA]

N-[(9H-Fluoren-9-ylmethoxy)carbonyl]-L-proline,>98.0%(T)(71989-31-6)
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