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CAS 636-21-5 O-TOLUIDINE HYDROCHLORIDE molecular structure lightbox
CAS RN: 636-21-5

O-TOLUIDINE HYDROCHLORIDE

Product Availability

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4 package records4 with current stock2 grade groups
Batch No.PackageAvailabilityWarehouseInquiry
Batchno.20260217 100g In stock Inquiry
Batchno.20250709 25g In stock Inquiry
Batchno.20260521 5g In stock Inquiry
Batch No.PackageAvailabilityWarehouseInquiry
Batchno.20250522 5g / 25g / 100g / 500g Confirm by inquiry Shanghai, Shandong, Chongqing, Hebei Inquiry
  • Product code: SSC-173306
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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: 100g
  • Available purity: ≥95%
  • 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 636-21-5
Pack Size Recorded Purity Available Qty Ship From Inquiry
100g ≥95% 0 Out of Stock Beijing Inquiry

636-21-5 / 2-methylaniline;hydrochloride

Standard CAS: 636-21-5 Multi CAS: Yes
Basic Information Physical Properties Computed Properties

Basic Information

CAS
636-21-5
Multi CAS
Yes
Molecular Formula
C7H10CLN
Molecular Weight
143.610000
Exact Mass
143.050177
InChI
InChI=1S/C7H9N.ClH/c1-6-4-2-3-5-7(6)8;/h2-5H,8H2,1H3;1H
InChIKey
OGVXWEOZQMAAIM-UHFFFAOYSA-N

Physical Properties

Melting Point
419 °F (NTP, 1992) 215 °C
Boiling Point
468 °F at 760 mmHg (NTP, 1992) 242.2 °C
Physical Description
O-toluidine hydrochloride appears as green crystals or white crystalline solid. Melting point 215-217 °F. Highly toxic. Green or white solid; [CAMEO] Faintly grey powder; Colorless to white solid; [NTP]
Appearance
MONOCLINIC PRISMS FROM COLD WATER; RHOMBIC PYRAMIDS FROM HOT WATER
State
Solid

Computed Properties

Structural Parameters

Heavy atom count
9
Aromatic heavy atom count
6
Fraction Csp3
0.14
H-bond acceptors
1
H-bond donors
1
Molar refractivity
42.84
TPSA
26.02

LogP / Solubility

WLOGP
2
MLOGP
1.75
XLogP3
2
Consensus LogP
1.92
Log S (ESOL)
-2.48
Class (ESOL)
Moderately soluble
Log S (Ali)
-2.18
Class (Ali)
Moderately soluble
Log S (SILICOS-IT)
-2.25
Class (SILICOS-IT)
Moderately 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)
-2.18

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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