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CAS 4144-22-3 N-tert-Butylmaleimide molecular structure lightbox
CAS RN: 4144-22-3

N-tert-Butylmaleimide

Product Availability

Choose a grade to view its available package options.

5 package records2 with current stock1 grade group
Batch No.PackageAvailabilityWarehouseInquiry
Batchno.20250822 100g In stock Wuhan, Chengdu Inquiry
Batchno.20260602 1g Out of stock Inquiry
Batchno.20260228 1g / 5g / 25g / 100g Confirm by inquiry Shanghai Inquiry
Batchno.20260304 25g Out of stock Inquiry
Batchno.20250724 5g Out of stock Inquiry
  • Product code: SSC-149878
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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: 1g, 5g, 10g, 25g
  • Available purity: ≥97%
  • Inventory rows with stock: 0
  • Bulk packaging: confirmed by inquiry
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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 4144-22-3
Pack Size Recorded Purity Available Qty Ship From Inquiry
1g ≥97% 0 Out of Stock Beijing Inquiry
5g ≥97% 0 Out of Stock Shanghai Inquiry
10g ≥97% 0 Out of Stock Hong Kong Inquiry
25g ≥97% 0 Out of Stock Hong Kong Inquiry

4144-22-3 / 1-butylpyrrole-2,5-dione

Standard CAS: 4144-22-3 Multi CAS: Yes
Basic Information Computed Properties

Basic Information

CAS
4144-22-3
Multi CAS
Yes
Molecular Formula
C8H11NO2
Molecular Weight
153.180000
Exact Mass
153.078979
InChI
InChI=1S/C8H11NO2/c1-2-3-6-9-7(10)4-5-8(9)11/h4-5H,2-3,6H2,1H3
InChIKey
JNPCNDJVEUEFBO-UHFFFAOYSA-N

Computed Properties

Structural Parameters

Heavy atom count
11
Fraction Csp3
0.5
Rotatable bonds
3
H-bond acceptors
2
Molar refractivity
40.77
TPSA
37.38

LogP / Solubility

WLOGP
0.71
MLOGP
0.62
XLogP3
1.6
Consensus LogP
0.98
Log S (ESOL)
-1.04
Class (ESOL)
Soluble
Log S (Ali)
-1.33
Class (Ali)
Soluble
Log S (SILICOS-IT)
-1.61
Class (SILICOS-IT)
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)
-3.15

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

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