Description Mechanism of Action
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Afatinib dimaleate

Description Mechanism of Action
Product Name
Afatinib dimaleate
CAS No.
850140-73-7
Chemical Name
Afatinib dimaleate
Synonyms
Alfatinib maleate;Afatinib (diMaleate);BAY-2416964;BIBW2992-MA2;Afatinib DimaL;Aftinib maleate;Afatinib DIMELATE;BIBW2992 DiMaleate;Afatinib (maleate);BIBW2993 DiMaleate
CBNumber
CB22630067
Molecular Formula
C28H29ClFN5O7
Formula Weight
602.02
MOL File
850140-73-7.mol
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Afatinib dimaleate Property

Melting point:
>237oC (dec.)
storage temp. 
Refrigerator
solubility 
DMSO (Slightly), Methanol (Slightly)
form 
Solid
color 
White to Pale Yellow
InChI
InChI=1/C24H25ClFN5O3.C4H4O4/c1-31(2)8-3-4-23(32)30-21-11-17-20(12-22(21)34-16-7-9-33-13-16)27-14-28-24(17)29-15-5-6-19(26)18(25)10-15;5-3(6)1-2-4(7)8/h3-6,10-12,14,16H,7-9,13H2,1-2H3,(H,30,32)(H,27,28,29);1-2H,(H,5,6)(H,7,8)/b4-3+;2-1-/t16-;/s3
InChIKey
LIENDGDDWJRJLO-LBXKZPGENA-N
SMILES
C(/C(=O)O)=C/C(=O)O.N(C1C=CC(F)=C(Cl)C=1)C1=NC=NC2C=C(O[C@@H]3COCC3)C(NC(=O)/C=C/CN(C)C)=CC1=2 |&1:25,r|
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Safety

HS Code 
29339900
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H302Harmful if swallowed

H319Causes serious eye irritation

H361Suspected of damaging fertility or the unborn child

H362May cause harm to breast-fed children

H372Causes damage to organs through prolonged or repeated exposure

Precautionary statements

P201Obtain special instructions before use.

P202Do not handle until all safety precautions have been read and understood.

P260Do not breathe dust/fume/gas/mist/vapours/spray.

P263Avoid contact during pregnancy/while nursing.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P270Do not eat, drink or smoke when using this product.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P281Use personal protective equipment as required.

P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P308+P313IF exposed or concerned: Get medical advice/attention.

P314Get medical advice/attention if you feel unwell.

P330Rinse mouth.

P405Store locked up.

P501Dispose of contents/container to..…

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N-Bromosuccinimide Price

Cayman Chemical
Product number
21567
Product name
Afatinib (maleate)
Purity
≥95%
Packaging
250mg
Price
$93
Updated
2024/03/01
Cayman Chemical
Product number
21567
Product name
Afatinib (maleate)
Purity
≥95%
Packaging
500mg
Price
$176
Updated
2024/03/01
Cayman Chemical
Product number
21567
Product name
Afatinib (maleate)
Purity
≥95%
Packaging
1g
Price
$330
Updated
2024/03/01
Cayman Chemical
Product number
21567
Product name
Afatinib (maleate)
Purity
≥95%
Packaging
5g
Price
$1002
Updated
2024/03/01
Tocris
Product number
6812
Product name
Afatinibdimaleate
Purity
≥98%(HPLC)
Packaging
50
Price
$375
Updated
2021/12/16
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Afatinib dimaleate Chemical Properties,Usage,Production

Description

Afatinib dimaleate (Tovok; BIBW2992; Gilotrif) is a salt form of Afatinib. Afatinib is a second-generation, orally administered, irreversible inhibitor of the ErbB family of tyrosine kinases.

Mechanism of Action

Afatinib (850140-73-7) downregulates ErbB signalling by covalently binding to the kinase domains of epidermal growth factor receptor (EGFR), human epidermal growth factor receptor (HER) 2 and HER4, resulting in irreversible inhibition of tyrosine kinase autophosphorylation; it also inhibits transphosphorylation of HER3. Afatinib is approved as monotherapy for the treatment of EGFR tyrosine kinase inhibitor (TKI)-na?ve adults with locally advanced or metastatic non-small cell lung cancer (NSCLC) with activating EGFR mutations in the EU, and for the first-line treatment of patients with metastatic NSCLC whose tumours have EGFR exon 19 deletions or exon 21 (L858R) substitution mutations as detected by a US FDA-approved test in the US.

Description

Afatinib dimaleate was approved by the U.S. Food and Drug Administration (FDA) in 2013 for the treatment of non-small cell lung cancer (NSCLC). Specifically, it was approved for patients presenting with metastatic NSCLC tumors which contain epidermal growth factor receptor (EGFR) exon deletions or exon 21 mutations. Afatinib dimaleate is a covalent inhibitor of ErbB tyrosine kinases (tyk), which downregulates ErbB signaling by irreversible binding of EGFR tyk binding sites. While no manufacturing route has been disclosed to date, the most scalable published route likely derives from two Boehringer Ingelheim patents.

Uses

Afatinib Dimaleate is a salt of Afatinib {BIBW 2992), an aminocrotonylamino-substituted quinazoline derivative used for treating cancer and diseases of the respiratory tract, lungs, gastrointestinal tract, bile duct, and gallbladder. An anilino-quinazoline that irreversibly inhibits EGFR and HER2 kinase activity.

Definition

ChEBI: Afatinib dimaleate is a maleate salt obtained by combining afatinib with two molar equivalents of maleic acid. Used for the first-line treatment of patients with metastatic non-small cell lung cancer. It has a role as a tyrosine kinase inhibitor and an antineoplastic agent. It contains an afatinib.

General Description

Afatinib dimaleate is the dimaleate form of afatinib. It is a tyrosine kinase inhibitor of epidermal growth factor receptors (ERBB RECEPTORS) and an anti-angiogenic agent. Afatinib dimaleate has anti-tumour activity and is mainly used for the treatment of patients with metastatic non-small cell lung cancer (which has metastasised or spread to other parts of the body), or certain tumours with mutations in the EGFR gene and patients whose disease has worsened after platinum-based chemotherapy. It is also used for the treatment of esophageal squamous cell carcinoma (ESCC) and gastric cancer.

Biological Activity

Afatinib dimaleate is an orally bioavailable and irreversible dual-specific inhibitor of the ErbB family (EGFR and HER2). IC50 are 0.4, 0.5, 10, 14, 1 nM for EGFRL858R, EGFRwt, EGFR L858R/T790M, ErbB2 (HER2) and ErbB4 (HER4), respectively. Afatinib dimaleate is available for cancer (esophageal squamous cell carcinoma (ESCC), non-small cell lung cancer (NSCLC) and gastric cancer) studies.

Side effects

Afatinib dimaleate is similar to afatinib in terms of side effects. Common side effects include: diarrhoea, fever, difficulty urinating, burning or pain, redness, swelling or pain in the skin, discharge or excessive tearing, burning, dryness or itching of the eyes, and skin ulcers. Occasional symptoms of coughing and difficulty breathing. A very small number of patients may have bloody stools, black stools or tarry stools, indigestion, nausea, severe abdominal pain, cramping or burning sensation, and vomiting of a substance that looks like coffee grounds. Please contact your doctor promptly if any serious adverse reactions occur.

Synthesis

Nitroquinazolinone (6), which is commercially available, was first chlorinated with phosphorous oxychloride (POCl3) followed by treatment with commercial 3-chloro-4-fluoroaniline (7) to afford SNAr adduct 8 in 90% yield over two steps. Sulfonylation to afford 9 (86%) and subsequent displacement with (S)-tetrahydrofuran- 3-ol gave 10 in 90% yield. Raney¨CNickel reduction of the nitro group delivered 11 in 97% yield, which set the stage for the final side-chain functionalization. 2-(Diethoxyphosphoryl) acetic acid and N,N0-carbonyldiimidazole (CDI) were pre-mixed and added to aniline 11 to afford 12 in 70% isolated yield. Next, a Horner¨CWadsworth¨CEmmons homologation gave the (E)-olefin 13 in quantitative yield, followed by maleate salt formation (92%) to deliver the final API. The final five steps of this synthesis have been successfully demonstrated on multi-kilogram scale.

storage

Store at -20°C

Afatinib dimaleate Preparation Products And Raw materials

Raw materials

Preparation Products

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View Lastest Price from Afatinib dimaleate manufacturers

HangZhou RunYan Pharma Technology Co.,LTD.
Product
BIBW2992 DiMaleate 850140-73-7
Price
US $0.00-0.00/g
Min. Order
10g
Purity
99% HPLC
Supply Ability
10000
Release date
2024-09-21
BEIJING SJAR TECHNOLOGY DEVELOPMENT CO., LTD.
Product
Afatinib Dimaleate 850140-73-7
Price
US $1.00/g
Min. Order
1g
Purity
More Than 99%
Supply Ability
50kg/Month
Release date
2024-06-25
PUSHAN INDUSTRIAL (SHAANXI) CO.,LTD
Product
Alfatinib maleate 850140-73-7
Price
US $0.00/kg
Min. Order
1kg
Purity
98% HPLC
Supply Ability
1000 kgs
Release date
2024-05-17

850140-73-7, Afatinib dimaleateRelated Search:


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  • C24H25ClFN5O32C4H4O4
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  • Inhibitors
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  • 850140-73-7