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4-Chlorobutyric acid

CAS No.
627-00-9
Chemical Name:
4-Chlorobutyric acid
Synonyms
4-Chlorobutanoic acid;NSC 6391;NSC 76578;Cl(CH2)3COOH;Levetiracetam-12;4-ChlorobutyricAci;RARECHEM AL BO 0177;4-Chlorobutanoicacid;4-chloro-butanoicaci;4-clorobutanoic acid
CBNumber:
CB6203041
Molecular Formula:
C4H7ClO2
Molecular Weight:
122.55
MDL Number:
MFCD00002818
MOL File:
627-00-9.mol
MSDS File:
SDS
Last updated:2026-09-12 18:54:01

4-Chlorobutyric acid Properties

Melting point 12-16 °C(lit.)
Boiling point 196 °C22 mm Hg(lit.)
Density 1.24 g/mL at 25 °C(lit.)
refractive index n20/D 1.451(lit.)
Flash point >230 °F
storage temp. Sealed in dry,Room Temperature
solubility soluble in Ether
pka 4.52(at RT℃)
form clear liquid
color Colorless to Almost colorless
BRN 1700264
InChI InChI=1S/C4H7ClO2/c5-3-1-2-4(6)7/h1-3H2,(H,6,7)
InChIKey IPLKGJHGWCVSOG-UHFFFAOYSA-N
SMILES C(O)(=O)CCCCl
CAS DataBase Reference 627-00-9(CAS DataBase Reference)
EPA Substance Registry System 4-Chlorobutyric acid (627-00-9)
UNSPSC Code 12352100
NACRES NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)  Corrosion (GHS05)Exclamation Mark (GHS07)
GHS05,GHS07
Signal word  Danger
Hazard statements  H302-H314
Precautionary statements  P270-P280-P301+P312-P303+P361+P353-P304+P340+P310-P305+P351+P338
PPE Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter
Hazard Codes  C
Risk Statements  22-34
Safety Statements  26-36/37/39-45
RIDADR  UN 3265 8/PG 2
WGK Germany  3
TSCA  TSCA listed
HazardClass  8
PackingGroup  III
HS Code  29159000
Storage Class 8A - Combustible corrosive hazardous materials
Hazard Classifications Acute Tox. 4 Oral
Skin Corr. 1B
NFPA 704
1
3 0

4-Chlorobutyric acid price More Price(32)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich C29835 4-Chlorobutyric acid 99% 627-00-9 25g $130 2026-04-30 Buy
Sigma-Aldrich C29835 4-Chlorobutyric acid 99% 627-00-9 100g $316 2026-04-30 Buy
TCI Chemical C0651 4-Chlorobutyric Acid >95.0%(T) 627-00-9 25g $58 2026-04-30 Buy
TCI Chemical C0651 4-Chlorobutyric Acid >95.0%(T) 627-00-9 500g $412 2026-04-30 Buy
Biosynth FC164688 4-Chlorobutyric acid 627-00-9 50g $900 2026-06-04 Buy
Product number Packaging Price Buy
C29835 25g $130 Buy
C29835 100g $316 Buy
C0651 25g $58 Buy
C0651 500g $412 Buy
FC164688 50g $900 Buy

4-Chlorobutyric acid Chemical Properties,Uses,Production

Chemical Properties

Dark brown liquid

Uses

4-Chlorobutanoic Acid is an impurity of Levetiracetam(L331500) which is (S)-enantiomer of Etiracetam (E932970) and the ethyl analog of Piracetam (P500800). Used as an anticonvulsant. Neuroprotective & Neuroresearch Product.

Synthesis Reference(s)

Journal of the American Chemical Society, 92, p. 5274, 1970 DOI: 10.1021/ja00720a076
The Journal of Organic Chemistry, 21, p. 883, 1956 DOI: 10.1021/jo01114a016

Synthesis

The target compound 4-chloropropionic acid was hydrolyzed from 4-chlorobutyryl chloride prepared by ring opening using -butyrolactone as the starting material.

96-48-0
627-00-9
Synthesis of 4-Chlorobutyric acid from Gamma Butyrolactone

4-Chlorobutyric acid Preparation Products And Raw materials

Global( 275)Suppliers
Supplier Tel Email Country ProdList Advantage
Hangzhou Aiken New Materials Co., Ltd 15258847994 andriy@akkochemical.com China 242 58
J & K SCIENTIFIC LTD. 18210857532 18210857532 jkinfo@jkchemical.com China 96815 76
Meryer (Shanghai) Chemical Technology Co., Ltd. 4006356688 18621169109 market03@meryer.com China 40202 62
TCI (Shanghai) Development Co., Ltd. 021-67121386 Sales-CN@TCIchemicals.com China 24512 81
Ark Pharm, Inc. 847-367-3680 sales@arkpharminc.com United States 1669 56
Energy Chemical 400-0056266 sales8178@energy-chemical.com China 44850 61
Pure Chemistry Scientific Inc. 001-857-928-2050 or 1-888-588-9418 sales@chemreagents.com United States 10174 62
Nanjing Chemlin Chemical Co., Ltd 025-83697070 13770331960 info@chemlin.com.cn China 16305 64
Shanghai Hanhong Scientific Co.,Ltd. 021-54306202 13764082696 info@hanhongsci.com China 42917 64
Chembon Pharmaceutical Co., Ltd. 028-84252981 18583719936 sales@chembon.com.cn China 854 64

View Lastest Price from 4-Chlorobutyric acid manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
	4-CHLOROBUTYRIC ACID pictures 2026-09-02 4-CHLOROBUTYRIC ACID
627-00-9
$5.00-8.00 1KG 99% Henan Fengda Chemical Co., Ltd
4-CHLOROBUTYRIC ACID pictures 2026-06-30 4-CHLOROBUTYRIC ACID
627-00-9
1kg 99% 10000KGS Shaanxi Dideu New Materials Co. Ltd
4-CHLOROBUTYRIC ACID pictures 2021-07-13 4-CHLOROBUTYRIC ACID
627-00-9
$10.00-15.00 1KG 99%+ HPLC Zhuozhou Wenxi import and Export Co., Ltd
4-chloro-butanoicaci 4-Chlorobutanoicacid 4-chloro-Butanoicacid Butyric acid, 4-chloro- Cl(CH2)3COOH gamma-Chloro-n-butyric acid Levetiracetam-12 GAMMA-CHLOROBUTYRIC ACID 4-CHLOROBUTYRIC ACID 99% 4-CHLORO-N-BUTYRIC ACID RARECHEM AL BO 0177 4-clorobutanoic acid Butanoic acid,4-chloro- NSC 6391 NSC 76578 4-Chlorobutyric Acid > 4-Chlorobutanoic acid (Levetiracetam Impurity) Levetiracetam impurities511 Levetiracetam impurities5 4-ChlorobutyricAci 4-Chlorobutanoic acid 4-Chlorobutyric acid 627-00-9 ClC3H6COOH 蠅-Chlorocarboxylic Acids 蠅-Functional Alkanols, Carboxylic Acids, Amines & Halides CARBOXYLIC ACID Organic Building Blocks Building Blocks C1 to C5 Carboxylic Acids Carbonyl Compounds omega-Chlorocarboxylic Acids omega-Functional Alkanols, Carboxylic Acids, Amines & Halides C1 to C5 Carbonyl Compounds Carboxylic Acids