[email protected]
CAS 128-53-0 N-Ethylmaleimide molecular structure lightbox
CAS RN: 128-53-0

N-Ethylmaleimide

Product Availability

Choose a grade to view its available package options.

15 package records15 with current stock4 grade groups
Batch No.PackageAvailabilityWarehouseInquiry
Batchno.20250608 100g In stock Shanghai, Shenzhen, Tianjin Inquiry
Batchno.20260306 1g In stock Shanghai, Shenzhen, Wuhan, Chengdu Inquiry
Batchno.20251203 25g In stock Shanghai, Shenzhen Inquiry
Batchno.20260603 500g In stock Shanghai, Tianjin Inquiry
Batchno.20250511 5g In stock Shanghai, Shenzhen, Tianjin, Wuhan, Chengdu Inquiry
Batch No.PackageAvailabilityWarehouseInquiry
Batchno.20260131 1g / 5g / 25g Confirm by inquiry Shanghai Inquiry
Batch No.PackageAvailabilityWarehouseInquiry
Batchno.20260312 100g In stock Inquiry
Batchno.20250109 10g In stock Inquiry
Batchno.20251104 1g In stock Inquiry
Batchno.20250829 25g In stock Inquiry
Batchno.20251220 5g In stock Inquiry
Batch No.PackageAvailabilityWarehouseInquiry
Batchno.20250921 100g In stock Inquiry
Batchno.20250214 1g In stock Inquiry
Batchno.20260201 25g In stock Inquiry
Batchno.20260203 5g In stock Inquiry
  • Product code: SSC-035380
GET A QUOTE
Historical Factory Record

Historical Supply Reference

This product has historical factory records. Recorded pack sizes and purity can be used as a supply reference, while project-specific availability is confirmed by inquiry.

  • Pack sizes on record: 25g
  • Available purity: ≥97%
  • Inventory rows with stock: 0
  • Bulk packaging: confirmed by inquiry
Request Bulk Quote

Reference Pack Sizes

Reference pack sizes are shown below. Final availability, packaging and delivery schedule are confirmed by inquiry.

Recorded sizes, purity and stock details for CAS 128-53-0
Pack Size Recorded Purity Available Qty Ship From Inquiry
25g ≥97% 0 Out of Stock Beijing Inquiry

128-53-0 / 1-ethylpyrrole-2,5-dione

Standard CAS: 128-53-0 Multi CAS: No
Basic Information Physical Properties Computed Properties Safety & Transport

Basic Information

CAS
128-53-0
Multi CAS
No
Molecular Formula
C6H7NO2
Molecular Weight
125.130000
Exact Mass
125.047678
SMILES
CCN1C(=O)C=CC1=O
InChI
InChI=1S/C6H7NO2/c1-2-7-5(8)3-4-6(7)9/h3-4H,2H2,1H3
InChIKey
HDFGOPSGAURCEO-UHFFFAOYSA-N

Physical Properties

Physical Description
Solid; [Merck Index] Colorless crystals
State
Solid

Computed Properties

Structural Parameters

Heavy atom count
9
Fraction Csp3
0.33
Rotatable bonds
1
H-bond acceptors
2
Molar refractivity
31.53
TPSA
37.38

LogP / Solubility

WLOGP
-0.07
MLOGP
-0.07
XLogP3
0.9
Consensus LogP
0.25
Log S (ESOL)
-0.51
Class (ESOL)
Very soluble
Log S (Ali)
-0.54
Class (Ali)
Very soluble
Log S (SILICOS-IT)
-0.54
Class (SILICOS-IT)
Very soluble

ADME

GI absorption
High
BBB permeant
Yes
P-gp substrate
No
CYP1A2 inhibitor
No
CYP2C19 inhibitor
No
CYP2C9 inhibitor
No
CYP2D6 inhibitor
No
CYP3A4 inhibitor
No
Log Kp (skin permeation)
-3.53

Drug-likeness / Medicinal Chemistry

Lipinski
Yes
Ghose
No
Veber
Yes
Egan
Yes
Muegge
No
Bioavailability score
0.55
Brenk alerts
1
Leadlikeness
No
Synthetic Accessibility
1.5

Safety & Transport

Pictogram(s)
Corrosive Acute Toxic Irritant
Signal
Danger
GHS Hazard Statements
H300 (99.1%): Fatal if swallowed [Danger Acute toxicity, oral] H301 (19%): Toxic if swallowed [Danger Acute toxicity, oral] H311 (98.6%): Toxic in contact with skin [Danger Acute toxicity, dermal] H314 (99.5%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation] H317 (99.1%): May cause an allergic skin reaction [Warning Sensitization, Skin]
Precautionary Statement Codes
P260, P261, P262, P264, P270, P272, P280, P301+P316, P301+P330+P331, P302+P352, P302+P361+P354, P304+P340, P305+P354+P338, P316, P321, P330, P333+P317, P361+P364, P362+P364, P363, P405, and P501

Customers Also Viewed

Get In Touch

Contact Us