ChemicalBook > CAS DataBase List > DL-Proline

DL-Proline

Product Name: DL-Proline
CAS No.: 609-36-9
Chemical Name: DL-Proline
Synonyms: PYRROLIDINE-2-CARBOXYLIC ACID;H-DL-PRO-OH;DL-Pro;DL-Prolin;DL-Pro-OH;DL-PROLINE;Proline, DL-;(RS)-Proline;DL-Proline>DL-Proline,99%
CBNumber: CB4149769
Molecular Formula: C5H9NO2
Formula Weight: 115.13
MOL File: 609-36-9.mol

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DL-Proline Property

Melting point:: 208 °C (dec.) (lit.)
Boiling point:: 215.41°C (rough estimate)
Density: 1.1808 (rough estimate)
refractive index: 1.4538 (estimate)
storage temp.: Keep in dark place,Inert atmosphere,Room temperature
solubility: Methanol, Water
pka: 2.35±0.20(Predicted)
form: Crystalline Powder
color: White to off-white
Water Solubility: SOLUBLE
Merck: 14,7780
BRN: 80809
CAS DataBase Reference: 609-36-9(CAS DataBase Reference)
NIST Chemistry Reference: DL-Proline(609-36-9)
EPA Substance Registry System: Proline (609-36-9)

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Safety

Hazard Codes: Xn
Risk Statements: 22-36/37/38
Safety Statements: 22-24/25-36/37/39-26
WGK Germany: 3
F: 3-10
TSCA: Yes
HS Code: 29339990

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P304+P340IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.

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

P312Call a POISON CENTER or doctor/physician if you feel unwell.

P321Specific treatment (see … on this label).

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 171824
Product name: DL-Proline
Purity: ReagentPlus , 99%
Packaging: 1g
Price: $36.5
Updated: 2025/07/31

Sigma-Aldrich

Product number: 171824
Product name: DL-Proline
Purity: ReagentPlus , 99%
Packaging: 5g
Price: $46.2
Updated: 2025/07/31

TCI Chemical

Product number: P0480
Product name: DL-Proline
Purity: >99.0%(T)
Packaging: 1g
Price: $24
Updated: 2025/07/31

TCI Chemical

Product number: P0480
Product name: DL-Proline
Purity: >99.0%(T)
Packaging: 5g
Price: $41
Updated: 2025/07/31

Sigma-Aldrich

Product number: 171824
Product name: DL-Proline
Purity: ReagentPlus , 99%
Packaging: 25g
Price: $129
Updated: 2025/07/31

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DL-Proline Chemical Properties,Usage,Production

Chemical Properties

white to off-white crystalline powder

Uses

DL-Proline is the racemic mixture of both L-Proline (P755995) and D-Proline (P755990).

Definition

ChEBI: An alpha-amino acid that is pyrrolidine bearing a carboxy substituent at position 2.

reaction suitability

reaction type: solution phase peptide synthesis

DL-Proline Preparation Products And Raw materials

Raw materials

L-Proline

Preparation Products

H-DL-PRO-OME HCL

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View Lastest Price from DL-Proline manufacturers

WUHAN FORTUNA CHEMICAL CO., LTD

Product: DL-Proline 609-36-9
Price: US $0.00-0.00/Kg/Drum
Min. Order: 1KG
Purity: 98.0%-101.0%
Supply Ability: 10 TONS
Release date: 2021-06-05

Sichuan HongRi Pharma-Tech Co.,Ltd

Product: DL-Pro-OH 609-36-9
Price: US $0.00-0.00/kg
Min. Order: 1kg
Purity: 99%
Supply Ability: 1T+
Release date: 2023-09-20

Hebei Chuanghai Biotechnology Co., Ltd

Product: DL-Proline 609-36-9
Price: US $1.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 10 mt
Release date: 2025-03-11

609-36-9, DL-ProlineRelated Search:

D-Proline L-PROLINE-(4-3H(N)) Ethyl 2-(Chlorosulfonyl)acetate L-Proline Pyrrolidine GLYCYL-L-PROLINE Ascoric Acid cis-4-Hydroxy-L-proline BOC-L-Proline N-(2,4-DINITROPHENYL)-L-PROLINE Cyclopentene oxide Fmoc-Pro-OH Methyl L-prolinate hydrochloride Ethyl D-(-)-pyroglutamate BOC-HYP(BZL)-OH cis-4-Hydroxy-D-proline N-Methyl-L-proline N-Cbz-Hydroxy-L-proline

H-DL-PYRD(2)-OH

H-DL-PRO-OH

LABOTEST-BB LTBB000673

DL-Proline ReagentPlus(R), 99%

DL-PROLINE

DL-Proline Vetec(TM) reagent grade, 98%

DL-Pro-OH

DL-Proline≥ 99% (Assay)

(2R)-2-pyrrolidin-1-iumcarboxylate

DL-2-Pyrrolidinocarboxylic acid

(+/-)-PYRROLIDINE-2-CARBOXYLIC ACID

PYRROLIDINE-2-CARBOXYLIC ACID

Proline, DL-

DL-PYRROLIDINE-2-CARBOXYLIC ACID

DL-2-PYRROLIDINECARBOXYLIC ACID

H-DL-Pro-OH~(+/-)-Pyrrolidine-2-carboxylic acid

ProlinePyrrolidinecarboxylicacid

(R,S)-Pyrrolidine-2-carboxylic acid

DL-Proline,99%

(n)-pyrrolidine-2-carboxylic acid

DL-Prolin

DL-Proline, 99% 5GR

(RS)-Proline

rac-(2R*)-Pyrrolidine-2-carboxylic acid

rac-(2R*)-Pyrrolidine-2β*-carboxylic acid

PROGOITRIN(RG)

DL-Proline,(±)-Pyrrolidine-2-carboxylic acid

DL-Pro

DL-Proline&gt

DL-Proline USP/EP/BP

dextro,laevo-proline

Proline reference substance

Prinomastat Impurity 2

<sc>DL</sc>-Proline

609-36-9

156-2-48

C5H9N1O2

C5H10NO2

NC4H8COOH

Peptide Synthesis

Specialty Synthesis

CARBOXYLIC ACID

Amino Acid Derivatives

Proline [Pro, P]

Amino Acids and Derivatives

alpha-Amino Acids

Amino Acids

Biochemistry

Amino Acids

Pyridines