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CAS 141-05-9 Diethyl Maleate molecular structure lightbox
CAS RN: 141-05-9

Diethyl Maleate

Product Availability

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6 package records6 with current stock4 grade groups
Batch No.PackageAvailabilityWarehouseInquiry
Batchno.20250806 1ml In stock Inquiry
Batch No.PackageAvailabilityWarehouseInquiry
Batchno.20250511 100g In stock Shanghai, Shenzhen, Tianjin Inquiry
Batchno.20250429 1kg In stock Shanghai Inquiry
Batchno.20260623 500g In stock Shanghai, Tianjin, Chengdu Inquiry
Batch No.PackageAvailabilityWarehouseInquiry
Batchno.20250218 100ml / 250ml / 500ml / 2.5L / 10L / 12X500ml Confirm by inquiry Shanghai, Shandong, Guangdong, Hebei Inquiry
Batch No.PackageAvailabilityWarehouseInquiry
Batchno.20250708 100ml / 500ml / 2.5L / 10L / 25L Confirm by inquiry Shanghai, Shandong, Guangdong, Hebei, Chongqing Inquiry
  • Product code: SSC-051490
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Verified Factory Data

Supply Overview & Packaging Options

Packaging options, recorded purity, stock quantity and ship-from location below are generated from the current factory data table for this CAS.

  • Pack sizes on record: 25g, 100g, 500g, 1000g, 10000g
  • Available purity: ≥95%
  • Inventory rows with stock: 4
  • Bulk packaging: confirmed by inquiry
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Available Pack Sizes & Stock

Specific stock quantities are shown below. Price is not displayed online and is confirmed by inquiry.

Recorded sizes, purity and stock details for CAS 141-05-9
Pack Size Recorded Purity Available Qty Ship From Inquiry
25g ≥95% 5 In Stock Shanghai Inquiry
100g ≥95% 5 In Stock Shanghai Inquiry
500g ≥95% 5 In Stock Shenzhen Inquiry
1000g ≥95% 2 In Stock Hong Kong Inquiry
10000g ≥95% 0 Out of Stock Shanghai Inquiry

141-05-9 / diethyl (Z)-but-2-enedioate

Standard CAS: 141-05-9 Multi CAS: No
Basic Information Physical Properties Computed Properties Safety & Transport

Basic Information

CAS
141-05-9
Multi CAS
No
Molecular Formula
C8H12O4
Molecular Weight
172.180000
Exact Mass
172.073559
SMILES
CCOC(=O)/C=C\C(=O)OCC
InChI
InChI=1S/C8H12O4/c1-3-11-7(9)5-6-8(10)12-4-2/h5-6H,3-4H2,1-2H3/b6-5-
InChIKey
IEPRKVQEAMIZSS-WAYWQWQTSA-N

Physical Properties

Melting Point
1 - 2 °C
Boiling Point
218.00 °C. @ 760.00 mm Hg
Physical Description
Liquid Water-white liquid; [Hawley] Colorless clear liquid
State
Liquid

Computed Properties

Structural Parameters

Heavy atom count
12
Fraction Csp3
0.5
Rotatable bonds
4
H-bond acceptors
4
Molar refractivity
42.41
TPSA
52.6

LogP / Solubility

WLOGP
0.67
MLOGP
0.59
XLogP3
0.9
Consensus LogP
0.72
Log S (ESOL)
-1.06
Class (ESOL)
Soluble
Log S (Ali)
-1.45
Class (Ali)
Soluble
Log S (SILICOS-IT)
-1.81
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)
-3.3

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)
Irritant
Signal
Warning
GHS Hazard Statements
H317 (97.5%): May cause an allergic skin reaction [Warning Sensitization, Skin] H319 (32%): Causes serious eye irritation [Warning Serious eye damage/eye irritation] H412 (24.6%): Harmful to aquatic life with long lasting effects [Hazardous to the aquatic environment, long-term hazard] H227: Combustible liquid [Warning Flammable liquids] H317: May cause an allergic skin reaction [Warning Sensitization, Skin]
Precautionary Statement Codes
P261, P264+P265, P272, P273, P280, P302+P352, P305+P351+P338, P321, P333+P317, P337+P317, P362+P364, and P501 P210, P261, P264+P265, P272, P273, P280, P302+P352, P305+P351+P338, P321, P333+P317, P337+P317, P362+P364, P370+P378, P403, and P501

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