ChemicalBook > CAS DataBase List > (S)-2-Methylproline

(S)-2-Methylproline

Product Name
(S)-2-Methylproline
CAS No.
42856-71-3
Chemical Name
(S)-2-Methylproline
Synonyms
(S)-2-methylpyrrolidine-2-carboxylic acid;2-Methyl-L-Proline;(2s,5s)-5-Methylpyrrolidine-2-Carboxylic Acid;α-Me-Pro-OH;H-(ME)PRO-OH;H-a-Me-Pro-OH;α-Me-L-Pro-OH;H-α-Me-Pro-OH;2-methylproline;ALPHA-ME-PROLINE
CBNumber
CB9127522
Molecular Formula
C6H11NO2
Formula Weight
129.16
MOL File
42856-71-3.mol
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(S)-2-Methylproline Property

Melting point:
310°C(lit.)
Boiling point:
241.9±33.0 °C(Predicted)
Density 
1.119±0.06 g/cm3(Predicted)
storage temp. 
Keep in dark place,Inert atmosphere,2-8°C
solubility 
soluble in Methanol
form 
powder to crystal
pka
2.44±0.20(Predicted)
color 
White to Almost white
BRN 
4350211
InChI
InChI=1S/C6H11NO2/c1-6(5(8)9)3-2-4-7-6/h7H,2-4H2,1H3,(H,8,9)/t6-/m0/s1
InChIKey
LWHHAVWYGIBIEU-LURJTMIESA-N
SMILES
C(O)(=O)[C@]1(C)CCCN1
CAS DataBase Reference
42856-71-3(CAS DataBase Reference)
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Safety

Safety Statements 
22-24/25
WGK Germany 
3
HS Code 
29339900
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H302Harmful if swallowed

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
17249
Product name
α-Methyl-L-proline
Purity
≥98.0% (TLC)
Packaging
250mg
Price
$282
Updated
2025/07/31
Sigma-Aldrich
Product number
17249
Product name
α-Methyl-L-proline
Purity
≥98.0% (TLC)
Packaging
1g
Price
$818
Updated
2023/06/20
TCI Chemical
Product number
M2077
Product name
α-Methyl-L-proline
Purity
>96.0%(T)
Packaging
1g
Price
$277
Updated
2025/07/31
TCI Chemical
Product number
M2077
Product name
α-Methyl-L-proline
Purity
>96.0%(T)
Packaging
5g
Price
$959
Updated
2025/07/31
Usbiological
Product number
283112
Product name
2-Methyl-L-proline
Packaging
500g
Price
$355
Updated
2021/12/16
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(S)-2-Methylproline Chemical Properties,Usage,Production

Chemical Properties

White powder

Uses

2-Methyl-L-proline is a useful research chemical used in the preparation of α-??substituted proline derivatives.

reaction suitability

reaction type: solution phase peptide synthesis

(S)-2-Methylproline Preparation Products And Raw materials

Raw materials

Pivaldehyde Trifluoroacetic acid L-Proline Pentane Hydrogen bromide Iodomethane

Preparation Products

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(S)-2-Methylproline Suppliers

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View Lastest Price from (S)-2-Methylproline manufacturers

ZHENGZHOU JIUYI TIME NEW MATERIALS CO,.LTD
Product
2-Methyl-L-proline 42856-71-3
Price
US $2.20-8.80/KG
Min. Order
1KG
Purity
99%
Supply Ability
g-kg-tons
Release date
2025-07-08
Nanjing Fred Technology Co., Ltd
Product
(S)-2-Methylproline 42856-71-3
Price
US $0.00-0.00/kg
Min. Order
1kg
Purity
98%
Supply Ability
1 ton
Release date
2023-12-26
Career Henan Chemical Co
Product
(S)-2-Methylproline 42856-71-3
Price
US $1.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
Customized
Release date
2019-06-21

42856-71-3, (S)-2-MethylprolineRelated Search:

(R)-2-Methyl-pyrrolidine N-Methyl-2-pyrrolidone 1-Methylpyrrolidine cis-4-Hydroxy-L-proline 2-METHYL-1H-PYRROLE 2-Methylpyrrolidine Polyvinylpyrrolidone L-PROLINE-(4-3H(N)) Ascoric Acid METHYL-2-PYRROLIDONE 4-hydroxy-N-methylproline (2S, 4R)-BOC-GAMMA-MSO-PROLINE METHYL ESTER Pyrrole-2-carboxylic acid BOC-(R)-<ALPHA>-ALLYL-PRO-OH (R)-ALPHA-(2-NAPHTHALENYLMETHYL)-PROLINE-HCL CARBOXYLIC ACID (S)-2-Methylproline γ-methylproline

  • (S)-2-Methyl proline
  • (2s,5s)-5-Methylpyrrolidine-2-Carboxylic Acid
  • 5-Methyl-L-Proline
  • (2S)-2-Methylpyrrolidin-2-ylcarboxylic acid
  • L-Proline, 2-methyl- (9CI)
  • (S)-2-methylpyrrolidine-2-carboxylic acid
  • α-methyl-l-proline
  • 2-methylproline
  • alpha-Methyl-L-proline, (S)-a-Methyl-proline
  • H-a-Me-Pro-OH
  • L-Proline, 2-methyl-
  • (2S)-2-Methylpyrrolidine-2-carboxylic acid
  • 2-Methyl-L-Proline
  • 2-Methyl-L-proline hydroc...
  • 2-Methyl-L-proline, (2S)-2-Carboxy-2-methylpyrrolidine
  • (S)-2-METHYLPYRROLIDINE-2-CARBOXYLIC ACID HCL
  • L-α-Methylproline
  • α-Me-Pro-OH
  • (S)-2-Methylproline (S)-2-Methylpyrrolidine-2-carboxylic acid
  • (S)-N-BOC-ALPHA-METHYLPROLINE
  • L-α-Methylproline≥ 98% (NMR)
  • α-Me-L-Pro-OH
  • (S)-α-Methylproline
  • -Methyl-<small>L</small>-proline
  • A-METHYL-L-PROLINE
  • ALPHA-METHYL-L-PROLINE
  • ALPHA-ME-PROLINE
  • L-ALPHA-METHYLPROLINE
  • H-ALPHA-ME-L-PRO-OH
  • H-ALPHA-ME-PRO-OH
  • H-(ME)PRO-OH
  • Alpha-Methyl-Pro-OH
  • (2S)-2-Pyrrolidinedicarboxylicacid
  • α-Methyl-L-proline&gt
  • (S)?-??alpha-?Methylproline
  • (S)-2-METHYLPYRROLIDINE-2-CARBOXYLIC ACID H
  • H-α-Me-Pro-OH
  • (S)-2-Methylpyrrolidine-2-carboxylicaci
  • (S)-2-Methylproline USP/EP/BP
  • α-methyl-l-proline 42856-71-3
  • α-Methyl-<sc>L</sc>-proline
  • α-Methyl-L-proline, CAS 42856-71-3
  • 42856-71-3
  • Specialty Synthesis
  • Unnatural Amino Acid Derivatives
  • Peptide Synthesis
  • Proline Derivatives
  • Peptide Synthesis
  • Proline Derivatives
  • Unnatural Amino Acid Derivatives
  • GLYCINESCAFFOLD