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Chemical structure of 2,5-Bis((trimethylsilyl)ethynyl)thieno[3,2-b]thiophene

GB53963

2,5-Bis((trimethylsilyl)ethynyl)thieno[3,2-b]thiophene

Also known as trimethyl-[2-[5-(2-trimethylsilylethynyl)thieno[3,2-b]thiophen-2-yl]ethynyl]silane

2,5-Bis((trimethylsilyl)ethynyl)thieno[3,2-b]thiophene (catalogue number GB53963) is a research-grade chemical available from LABO Scientific in Israel, CAS registry number 139896-65-4. Molecular formula C16H20S2Si2, molecular weight 332.63. IUPAC name: trimethyl-[2-[5-(2-trimethylsilylethynyl)thieno[3,2-b]thiophen-2-yl]ethynyl]silane. Supplied as 200mg at ₪558.81; the final price is confirmed on your quote, and the lot certificate of analysis and safety data sheet are emailed with your order confirmation.

ChemicalCAS139896-65-4MW332.63FormulaC16H20S2Si2
CAS number
139896-65-4
Molecular weight
332.63
Formula
C16H20S2Si2
InChIKey
OWXZBWIZKNUJOL-UHFFFAOYSA-N
Catalogue number
GB53963
Brand
GLPBIO
Computed properties PubChem CID 85633934 · TPSA 56.5 Ų · H-bond donors 0 · H-bond acceptors 2
TPSA
56.5 Ų
H-bond donors
0
H-bond acceptors
2
Rotatable bonds
4
Heavy atoms
20

SMILES C[Si](C)(C)C#CC1=CC2=C(S1)C=C(S2)C#C[Si](C)(C)C

Computed descriptors from PubChem (CID 85633934), public domain. Identity cross-checked against the supplier's molecular formula and weight — verify before use.

Ordering in Israel

Lead time
Ships from the manufacturer to your lab in 8–14 business days; customs and cold chain handled by LABO Scientific.
Pricing
Quoted in ILS, excl. VAT. Add the item to your quote and we confirm the final price, usually the same business day.
Documents
Lot certificate of analysis and manufacturer SDS are emailed with your order confirmation.
Who we serve
Universities, hospitals and biotech companies across Israel. Research use only — not for diagnostic or therapeutic use.