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CAS 643-79-8 o-Phthalaldehyde [for HPLC Labeling] molecular structure lightbox
CAS RN: 643-79-8

o-Phthalaldehyde [for HPLC Labeling]

Product Availability

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11 package records11 with current stock5 grade groups
Batch No.PackageAvailabilityWarehouseInquiry
Batchno.20260129 1g / 5g / 25g / 100g / 500g Confirm by inquiry Shanghai, Shandong, Chongqing, Hebei, Guangdong Inquiry
Batch No.PackageAvailabilityWarehouseInquiry
Batchno.20250408 100g In stock Inquiry
Batchno.20250214 10g In stock Inquiry
Batchno.20250922 25g In stock Inquiry
Batchno.20251210 500g In stock Inquiry
Batchno.20260108 5g In stock Inquiry
Batch No.PackageAvailabilityWarehouseInquiry
Batchno.20260310 1g / 5g / 25g / 100g / 500g Confirm by inquiry Shanghai, Shandong, Guangdong, Chongqing, Hebei Inquiry
Batch No.PackageAvailabilityWarehouseInquiry
Batchno.20250625 100ml In stock Shanghai Inquiry
Batchno.20251205 25ml In stock Chongqing Inquiry
Batchno.20250317 5ml In stock Shanghai, Shandong, Hebei Inquiry
Batch No.PackageAvailabilityWarehouseInquiry
Batchno.20251030 5ml In stock Shanghai, Shandong Inquiry
  • Product code: SSC-174069
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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, 10g, 100g, 500g
  • Available purity: ≥98%
  • Inventory rows with stock: 1
  • 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 643-79-8
Pack Size Recorded Purity Available Qty Ship From Inquiry
25g ≥98% 1 In Stock Beijing Inquiry
10g ≥98% 0 Out of Stock Beijing Inquiry
100g ≥98% 0 Out of Stock Hong Kong Inquiry
500g ≥98% 0 Out of Stock Beijing Inquiry

643-79-8 / phthalaldehyde

Standard CAS: 643-79-8 Multi CAS: Yes
Basic Information Physical Properties Computed Properties

Basic Information

CAS
643-79-8
Multi CAS
Yes
Molecular Formula
C8H6O2
Molecular Weight
134.130000
Exact Mass
134.036779
InChI
InChI=1S/C8H6O2/c9-5-7-3-1-2-4-8(7)6-10/h1-6H
InChIKey
ZWLUXSQADUDCSB-UHFFFAOYSA-N

Physical Properties

Melting Point
55.8 °C
Boiling Point
BP: 83 °C at 0.8 mm Hg
Density
Density (at 20 °C): 1.13 g/cm³
Physical Description
Pale yellow or colorless solid; [Merck Index] Yellow powder or lumps; YELLOW SOLID IN VARIOUS FORMS WITH CHARACTERISTIC ODOUR.
Appearance
Long, pale yellow needles from petroleum ether (MP 56-56.5 °C). Also reported as colorless powder (MP: 54 °C) Yellow needles or crystals from ligroin
State
Solid

Computed Properties

Structural Parameters

Heavy atom count
10
Aromatic heavy atom count
6
Rotatable bonds
2
H-bond acceptors
2
Molar refractivity
37.22
TPSA
34.14

LogP / Solubility

WLOGP
1.31
MLOGP
1.15
XLogP3
1.2
Consensus LogP
1.22
Log S (ESOL)
-1.81
Class (ESOL)
Soluble
Log S (Ali)
-1.61
Class (Ali)
Soluble
Log S (SILICOS-IT)
-1.86
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)
-2.61

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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