Cas no 19493-44-8 (1-Chloroisoquinoline)

1-Chloroisoquinoline (CAS 19408-84-5) is a versatile heterocyclic compound featuring a chlorinated isoquinoline scaffold, widely utilized as a key intermediate in organic synthesis and pharmaceutical research. Its reactive chlorine atom at the 1-position enables efficient functionalization through nucleophilic substitution or metal-catalyzed cross-coupling reactions, making it valuable for constructing complex molecular architectures. The compound exhibits excellent stability under standard conditions and demonstrates compatibility with diverse reaction conditions, including palladium-catalyzed transformations. Its rigid aromatic structure contributes to enhanced π-stacking interactions in material science applications. 1-Chloroisoquinoline is particularly significant in medicinal chemistry for developing bioactive molecules targeting neurological and anticancer therapies, owing to the privileged isoquinoline pharmacophore. The high purity grades available ensure reproducibility in research applications.
1-Chloroisoquinoline structure
1-Chloroisoquinoline structure
Product Name:1-Chloroisoquinoline
CAS No:19493-44-8
MF:C9H6ClN
MW:163.603641033173
MDL:MFCD00024134
CID:51322
PubChem ID:140539
Update Time:2025-11-01

1-Chloroisoquinoline Chemical and Physical Properties

Names and Identifiers

    • 1-Chloroisoquinoline
    • 1-Chloroisoquinone
    • 1-Chlor-isochinolin
    • 1-chloroisiquinoline
    • 1-Chloro-isoquinoline
    • 2-chloroisoquinoline
    • chloroisoquinoline
    • isoquinoline chloride
    • Isoquinoline,1-chloro
    • NSC 170839
    • Isoquinoline, 1-chloro-
    • 1-chloro-1,2-dihydroisoquinoline
    • 1-Chloroisoquinoline 95%
    • 1-Chloroisoquinoline, 97+%
    • 1-Chloroisoquinoline, 97+% 5GR
    • 1-CHLOROISOQUINOLINE, 98.0+%(GC)
    • 1-chloro isoquinoline
    • Isoquinoline, chloro-
    • NSC170839
    • zlchem 1129
    • PubChem13906
    • KSC179G9J
    • ZLD0597
    • MSQCQINLJMEVNJ-UHFFFAOYSA-N
    • BCP08062
    • STL558241
    • WT1334
    • SBB059626
    • BBL104227
    • ANW
    • A4284
    • J-650287
    • BP-10100
    • AMY9270
    • FT-0607648
    • Q-101894
    • 1-Chloroisoquinoline, 95%
    • AC-23203
    • AB01423
    • DTXSID60173143
    • InChI=1/C9H6ClN/c10-9-8-4-2-1-3-7(8)5-6-11-9/h1-6
    • MFCD00024134
    • 1-chlorisochinolin
    • NSC-170839
    • F8885-1665
    • AKOS003399220
    • FS-2246
    • SY008071
    • 19493-44-8
    • C2097
    • CS-W002145
    • SCHEMBL144590
    • EN300-101914
    • ALBB-023931
    • DB-019131
    • 628-561-2
    • DTXCID9095634
    • AC-907/25004869
    • MDL: MFCD00024134
    • Inchi: 1S/C9H6ClN/c10-9-8-4-2-1-3-7(8)5-6-11-9/h1-6H
    • InChI Key: MSQCQINLJMEVNJ-UHFFFAOYSA-N
    • SMILES: ClC1C2C=CC=CC=2C=CN=1
    • BRN: 2996

Computed Properties

  • Exact Mass: 163.01900
  • Monoisotopic Mass: 163.019
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 0
  • Hydrogen Bond Acceptor Count: 1
  • Heavy Atom Count: 11
  • Rotatable Bond Count: 0
  • Complexity: 138
  • Covalently-Bonded Unit Count: 1
  • Defined Atom Stereocenter Count: 0
  • Undefined Atom Stereocenter Count : 0
  • Defined Bond Stereocenter Count: 0
  • Undefined Bond Stereocenter Count: 0
  • Surface Charge: 0
  • Tautomer Count: nothing
  • XLogP3: 3.2
  • Topological Polar Surface Area: 12.9

Experimental Properties

  • Color/Form: White to Yellow Solid
  • Density: 1.2108 (rough estimate)
  • Melting Point: 31-36?°C (lit.)
  • Boiling Point: 274-275?°C/768?mmHg(lit.)
  • Flash Point: >110 oC
  • Refractive Index: 1.6342 (estimate)
  • Water Partition Coefficient: Insoluble in water.
  • PSA: 12.89000
  • LogP: 2.88820
  • Sensitiveness: Sensitive to air and humidity
  • Solubility: Soluble in water, chloroform and benzene organic solvents

1-Chloroisoquinoline Security Information

  • Symbol: GHS07
  • Prompt:warning
  • Signal Word:Warning
  • Hazard Statement: H315,H319,H335
  • Warning Statement: P261,P305+P351+P338
  • Hazardous Material transportation number:UN2811
  • WGK Germany:3
  • Hazard Category Code: 36/37/38
  • Safety Instruction: S26-S36
  • Hazardous Material Identification: Xi
  • Storage Condition:0-10°C
  • Risk Phrases:R36/37/38
  • Safety Term:S26;S36

1-Chloroisoquinoline Customs Data

  • HS CODE:2933499090
  • Customs Data:

    China Customs Code:

    2933499090

    Overview:

    2933499090. Other compounds containing quinoline or isoquinoline ring system [but not further fused]. VAT:17.0%. Tax refund rate:13.0%. Regulatory conditions:nothing. MFN tariff:6.5%. general tariff:20.0%

    Declaration elements:

    Product Name, component content, use to, Please indicate the appearance of Urotropine, 6- caprolactam please indicate the appearance, Signing date

    Summary:

    2933499090. other compounds containing in the structure a quinoline or isoquinoline ring-system (whether or not hydrogenated), not further fused. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

1-Chloroisoquinoline Pricemore >>

Related Categories No. Product Name Cas No. Purity Specification Price update time Inquiry
Frontier Specialty Chemicals
Bellen006258-100 g
1-chloroisoquinoline
19493-44-8
100g
$750.00 2021-05-11
Frontier Specialty Chemicals
Bellen006258-250 g
1-chloroisoquinoline
19493-44-8
250g
$1,500.00 2021-05-11
Frontier Specialty Chemicals
Bellen006258-500 g
1-chloroisoquinoline
19493-44-8
500g
$2,625.00 2021-05-11
Frontier Specialty Chemicals
Bellen006258-25 g
1-chloroisoquinoline
19493-44-8
25g
$275.00 2021-05-11
Frontier Specialty Chemicals
Bellen006258-50 g
1-chloroisoquinoline
19493-44-8
50g
$438.00 2021-05-11
XI GE MA AO DE LI QI ( SHANG HAI ) MAO YI Co., Ltd.
156744-1G
1-Chloroisoquinoline
19493-44-8
1g
¥338.8 2023-12-10
XI GE MA AO DE LI QI ( SHANG HAI ) MAO YI Co., Ltd.
156744-5G
1-Chloroisoquinoline
19493-44-8
5g
¥1126.07 2023-12-10
TRC
C428600-2.5g
1-Chloroisoquinone
19493-44-8
2.5g
$ 125.00 2022-06-06
TRC
C428600-5g
1-Chloroisoquinone
19493-44-8
5g
$ 170.00 2022-06-06
TRC
C428600-10g
1-Chloroisoquinone
19493-44-8
10g
$ 285.00 2022-06-06

1-Chloroisoquinoline Production Method

1-Chloroisoquinoline Suppliers

Suzhou Senfeida Chemical Co., Ltd
Gold Member
Audited Supplier Audited Supplier
(CAS:19493-44-8)1-Chloroisoquinoline
Order Number:sfd3435
Stock Status:in Stock
Quantity:200kg
Purity:99.9%
Pricing Information Last Updated:Friday, 19 July 2024 14:33
Price ($):discuss personally
Tiancheng Chemical (Jiangsu) Co., Ltd
Gold Member
Audited Supplier Audited Supplier
(CAS:19493-44-8)1-氯異喹啉
Order Number:LE1712494
Stock Status:in Stock
Quantity:25KG,200KG,1000KG
Purity:99%
Pricing Information Last Updated:Friday, 20 June 2025 12:35
Price ($):discuss personally

1-Chloroisoquinoline Related Literature

Additional information on 1-Chloroisoquinoline

Comprehensive Overview of 1-Chloroisoquinoline (CAS No. 19493-44-8): Properties, Applications, and Industry Insights

1-Chloroisoquinoline (CAS No. 19493-44-8) is a halogenated heterocyclic compound widely recognized for its versatility in organic synthesis and pharmaceutical research. This isoquinoline derivative features a chlorine atom at the 1-position, enhancing its reactivity in cross-coupling reactions and serving as a key intermediate for drug discovery. With the growing demand for small molecule therapeutics and catalysts, this compound has gained significant attention in academic and industrial laboratories.

The molecular structure of 1-Chloroisoquinoline enables diverse functionalization, making it valuable for constructing nitrogen-containing scaffolds—a hotspot in medicinal chemistry. Researchers frequently explore its role in synthesizing kinase inhibitors and antimicrobial agents, aligning with trends in targeted cancer therapy and antibiotic development. Its CAS No. 19493-44-8 is often searched in conjunction with "synthetic routes" and "safety data sheets," reflecting user interest in both innovation and regulatory compliance.

From a technical perspective, 1-Chloroisoquinoline exhibits a melting point of 45–48°C and a boiling point of 280°C under standard conditions. Its solubility in organic solvents like dichloromethane and tetrahydrofuran facilitates its use in palladium-catalyzed reactions, a topic frequently queried in AI-driven chemistry databases. Recent publications highlight its utility in Suzuki-Miyaura couplings, addressing the demand for green chemistry and atom-efficient protocols.

Market analytics reveal rising searches for "1-Chloroisoquinoline suppliers" and "CAS 19493-44-8 price," driven by expansion in contract research organizations (CROs). Quality benchmarks, such as HPLC purity (>98%) and storage conditions (2–8°C), are critical for buyers—a detail often emphasized in SEO-optimized product descriptions. The compound’s stability under inert atmospheres further supports its logistics-friendly profile.

Emerging applications include material science, where 1-Chloroisoquinoline derivatives contribute to organic semiconductors and light-emitting diodes (OLEDs). This aligns with global interest in sustainable electronics, a trending topic in Google Scholar and patent filings. Environmental considerations also spur studies on biodegradable intermediates, positioning this compound as a subject of life cycle assessment (LCA) research.

In summary, 1-Chloroisoquinoline (CAS No. 19493-44-8) bridges multiple scientific disciplines, from pharmaceutical manufacturing to advanced materials. Its structure-activity relationships and process scalability continue to inspire innovations, answering frequent search queries like "how to purify 1-Chloroisoquinoline" and "alternative halogenated isoquinolines." As industries prioritize high-value intermediates, this compound remains a cornerstone of modern synthetic chemistry.

Recommended suppliers
Suzhou Senfeida Chemical Co., Ltd
(CAS:19493-44-8)1-Chloroisoquinoline
sfd3435
Purity:99.9%
Quantity:200kg
Price ($):Inquiry
Email
Tiancheng Chemical (Jiangsu) Co., Ltd
(CAS:19493-44-8)1-氯異喹啉
LE1712494
Purity:99%
Quantity:25KG,200KG,1000KG
Price ($):Inquiry
Email