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CAS 132-20-7 Pheniramine Maleate molecular structure lightbox
CAS RN: 132-20-7

Pheniramine Maleate

Product Availability

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4 package records4 with current stock1 grade group
Batch No.PackageAvailabilityWarehouseInquiry
Batchno.20250205 1g In stock Shanghai Inquiry
Batchno.20250723 250mg In stock Shanghai, Chengdu Inquiry
Batchno.20251027 25g In stock Shenzhen, Tianjin, Wuhan, Chengdu Inquiry
Batchno.20251118 5g In stock Shanghai, Tianjin Inquiry
  • Product code: SSC-039050
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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
  • Available purity: >98.0%(HPLC)(T)
  • 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 132-20-7
Pack Size Recorded Purity Available Qty Ship From Inquiry
1g >98.0%(HPLC)(T) 0 Out of Stock Beijing Inquiry

132-20-7 / (Z)-but-2-enedioic acid;N,N-dimethyl-3-phenyl-3-pyridin-2-ylpropan-1-amine

Standard CAS: 132-20-7 Multi CAS: No
Basic Information Physical Properties Computed Properties Safety & Transport

Basic Information

CAS
132-20-7
Multi CAS
No
Molecular Formula
C20H24N2O4
Molecular Weight
356.400000
Exact Mass
356.173607
SMILES
CN(C)CCC(C1=CC=CC=C1)C2=CC=CC=N2.C(=C\C(=O)O)\C(=O)O
InChI
InChI=1S/C16H20N2.C4H4O4/c1-18(2)13-11-15(14-8-4-3-5-9-14)16-10-6-7-12-17-16;5-3(6)1-2-4(7)8/h3-10,12,15H,11,13H2,1-2H3;1-2H,(H,5,6)(H,7,8)/b;2-1-
InChIKey
SSOXZAQUVINQSA-BTJKTKAUSA-N

Physical Properties

Melting Point
219 to 226 °F (NTP, 1992)
Physical Description
Pheniramine maleate is a white powder with a faint amine-like odor. Melting point 107 °C. pH (1% solution) 4.5-5.5. Used medicinally as an antihistamine.
State
Solid
Storage Conditions
STORAGE PRECAUTIONS: You should store this material in a refrigerator. (NTP, 1992)

Computed Properties

Structural Parameters

Heavy atom count
26
Aromatic heavy atom count
12
Fraction Csp3
0.25
Rotatable bonds
7
H-bond acceptors
4
H-bond donors
2
Molar refractivity
100.1
TPSA
90.73

LogP / Solubility

WLOGP
2.88
MLOGP
2.55
XLogP3
2.88
Consensus LogP
2.77
Log S (ESOL)
-3.74
Class (ESOL)
Poorly soluble
Log S (Ali)
-4.56
Class (Ali)
Slightly soluble
Log S (SILICOS-IT)
-5.2
Class (SILICOS-IT)
Slightly soluble

ADME

GI absorption
High
BBB permeant
No
P-gp substrate
No
CYP1A2 inhibitor
Yes
CYP2C19 inhibitor
Yes
CYP2C9 inhibitor
No
CYP2D6 inhibitor
Yes
CYP3A4 inhibitor
Yes
Log Kp (skin permeation)
-2.85

Drug-likeness / Medicinal Chemistry

Lipinski
Yes
Ghose
Yes
Veber
Yes
Egan
Yes
Muegge
Yes
Bioavailability score
0.55
Brenk alerts
1
Leadlikeness
No
Synthetic Accessibility
3

Safety & Transport

Pictogram(s)
Irritant
Signal
Warning
GHS Hazard Statements
H302 (90.3%): Harmful if swallowed [Warning Acute toxicity, oral]
Precautionary Statement Codes
P264, P270, P301+P317, P330, and P501

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