Allitinib tosylate

Also known as: AST-1306 TsOH, AST-1306 (p-Toluenesulfonic acid), AST1306 tosilate, N-[4-[[3-chloro-4-[(3-fluorophenyl)methoxy]phenyl]amino]-6-quinazolinyl]-2-propenamide 4-methylbenzenesulfonate (1:1), 2-Propenamide, N-[4-[[3-chloro-4-[(3-fluorophenyl)methoxy]phenyl]amino]-6-quinazolinyl]-, 4-methylbenzenesulfonate (1:1), AST-1306, AST-6, CS-1209, S1471, cc-284

Allitinib tosylate (CAS 1050500-29-2) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C31H26ClFN4O5S and a molecular weight of 621.078 g/mol. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1050500-29-2
Jingsj CID: J-1975323-2
Molecular Formula: C₃₁H₂₆ClFN₄O₅S
Molecular Weight: 621.078 g/mol
Category: Solvents
Last updated: 8/21/2026

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Physicochemical Properties

Exact Mass	620.129639
PSA	142.38000
LogP	8.91440

Activity & Biological Data

Target	EGFR:0.5 nM (IC50) ErbB2:3 nM (IC50) ErbB1
Additional Information	[1]. Xie H, Lin L, Tong L et al. AST1306, a novel irreversible inhibitor of the epidermal growth factor receptor 1 and 2, exhibits antitumor activity both in vitro and in vivo. PLoS One. 2011;6(7):e21487.

Frequently Asked Questions

What is the CAS number of Allitinib tosylate?

The CAS number of Allitinib tosylate is 1050500-29-2.

What are the molecular formula and molecular weight of Allitinib tosylate?

Allitinib tosylate has molecular formula C31H26ClFN4O5S and molecular weight 621.078 g/mol.

What are the upstream and downstream products of Allitinib tosylate?

For Allitinib tosylate, Upstream Products: Allitinib, p-Toluenesulfonic acid, 4-Chloro-6-nitroquinazoline.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "Allitinib tosylate (CAS 1050500-29-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1975323-2 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.