1-Chloro-6,6-dimethyl-2-heptene-4-yne CAS#126764-17-8

1‑Chloro‑6,6‑dimethylhept‑2‑en‑4‑yne

‑ CAS Number: 126764‑17‑8

‑ Chemical Formula: C9 H13 CI

‑ Synonyms: 1‑Chloro‑6,6‑dimethylhept‑2‑en‑4‑yne (cis+trans isomer mixture); Silane, (3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10‑heptadecafluorodecyl) trimethoxy;1‑chloro‑6,6‑dimethyl‑5‑hept‑2‑en‑4‑yne; TRANS‑1‑CHLORO‑6,6‑DIMETHYL‑2‑HEPTENE‑4‑YNE

‑ Appearance: Yellow oily liquid. This organic intermediate is a homogeneous oily fluid, requiring sealed and inert‑atmosphere storage to maintain good product quality.

‑ Brief introduction: It serves as a critical synthetic intermediate for pharmaceutical raw‑material manufacturing, containing both alkene and alkyne functional groups within its molecular structure. The cis‑trans mixed isomer form is the mainstream commercial supply form.

‑ MOQ (Minimum Order Quantity): 1 full FCL (Full Container Load). Bulk full‑container supply is available for large‑scale pharmaceutical‑intermediate production projects.

1‑Chloro‑6,6‑dimethyl‑2‑heptene‑4‑yne, CAS#126764‑17‑8

1‑Chloro‑6,6‑dimethyl‑2‑heptene‑4‑yne acts as a critical synthetic building block for manufacturing Terbinafine, a well‑known orally‑administered allylamine‑class antifungal active pharmaceutical ingredient. This key intermediate participates in core coupling reactions during API production, and its quality directly influences the purity and performance of the final finished drug product.

Terbinafine is widely prescribed for multiple dermatophyte‑caused fungal disorders. It delivers therapeutic effects against fungal infections affecting the scalp, body skin, groin ringworm, athlete’s foot (tinea pedis), as well as fungal infections of both fingernails and toenails (onychomycosis)HPRA .... As a fundamental raw material for this mainstream antifungal medicine, this compound has stable market demand within global pharmaceutical manufacturing chains.

1-Chloro-6,6-dimethyl-2-heptene-4-yne Chemical Properties

Boiling point 

207-208°C

density 

0.946

Fp 

75°C

refractive index 

1.4850

storage temp. 

Sealed in dry,2-8°C

solubility 

Chloroform, Ethyl Acetate (Slightly), Hexane (Slightly), Methanol (Slightly)

form 

Oil

color 

Colourless to Pale Yellow

Stability:

Light Sensitive

InChI

InChI=1S/C9H13Cl/c1-9(2,3)7-5-4-6-8-10/h4,6H,8H2,1-3H3

InChIKey

ZIXABMZBMHDFEZ-UHFFFAOYSA-N

SMILES

C(Cl)C=CC#CC(C)(C)C

CAS DataBase Reference

126764-17-8(CAS DataBase Reference)

Safety Information

Hazard Codes 

Xi

Risk Statements 

36/37/38

Safety Statements 

26-37

Hazard Note 

Irritant

HS Code 

29032990

Product Application Of 1‑Chloro‑6,6‑dimethyl‑2‑heptene‑4‑yne CAS#126764‑17‑8

This high‑value organic intermediate serves as an indispensable synthetic building block for manufacturing Terbinafine (product code T107500), a well‑established broad‑spectrum allylamine antifungal active pharmaceutical ingredient. Its unique alkene‑alkyne molecular skeleton participates in core synthetic coupling steps during API production, and the quality of this intermediate directly influences the purity and final yield of Terbinafine finished drug substance. It is mainly dedicated to pharmaceutical fine‑chemical synthesis workflows and is not designed for direct end‑use as finished medicine.

Fast delivery time

‑ Items available in stock: goods can be dispatched within 2‑3 working days after order confirmation

‑ Products from newly arranged production batches: overall lead time is 7‑10 working days

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