2-((3bS,4aR)-5,5-Difluoro-3-(trifluoromethyl)-3b,4,4a,5-tetrahydro-1H-cyclopropa[3,4]cyclopenta[1,2-c]pyrazol-1-yl)acetic acid

Name: 2-((3bS,4aR)-5,5-Difluoro-3-(trifluoromethyl)-3b,4,4a,5-tetrahydro-1H-cyclopropa[3,4]cyclopenta[1,2-c]pyrazol-1-yl)acetic acid
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CAS No. 1620056-83-8
Cat. No. CS-0127534
Purity≥98%
MDL No.None

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Type	HazMat Fee
Excepted Quantity	$0.00
FedEx Limited Quantities Ground	$0.00
Hazmat Ground shipping	$50.00+
Inaccessible (Haz class 6.1 or 9), Domestic	$68.00+
Accessible (Haz class 3, 4, 5 or 8), Domestic	$158.00+
Inaccessible (Haz class 6.1 or 9), International	$108.00+
Accessible (Haz class 3, 4, 5 or 8), International	$238.00+

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*For research and further manufacturing use only, not for direct human use.

2-((3bS,4aR)-5,5-Difluoro-3-(trifluoromethyl)-3b,4,4a,5-tetrahydro-1H-cyclopropa[3,4]cyclopenta[1,2-c]pyrazol-1-yl)acetic acid|CS-0127534

Structure of 1620056-83-8

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Description

This difluorinated pyrazolocyclopenta scaffold integrates a trifluoromethyl group and a pendant acetic acid, delivering enhanced metabolic stability and targeted bioavailability. The rigid, electron-deficient core supports precise molecular positioning in synthetic intermediates for advanced pharmaceutical applications.

Application

2-((3bS,4aR)-5,5-Difluoro-3-(trifluoromethyl)-3b,4,4a,5-tetrahydro-1H-cyclopropa[3,4]cyclopenta[1,2-c]pyrazol-1-yl)acetic acid serves as a versatile building block for medicinal chemistry campaigns, enabling direct incorporation of a fluorinated, rigid polycyclic core into bioactive molecules. Its carboxylic acid functionality facilitates conjugation via amide or ester linkages, while the trifluoromethyl and difluoro substituents enhance metabolic stability and modulate lipophilicity. The molecule exhibits bench stability and compatibility with standard coupling protocols, supporting efficient synthesis of complex heterocyclic scaffolds.

General Information

CAS No. 1620056-83-8
Cat. No. CS-0127534
Purity ≥98%
MDL No. None
Storage Store at room temperature
Shipping Room temperature in continental US; may vary elsewhere.
Molecular Formula C₁₀H₇F₅N₂O₂
Molecular Weight 282.17
Synonym(s) None
SMILES O=C(O)CN1N=C(C(F)(F)F)C2=C1C(F)(F)[C@@]3([H])[C@]2([H])C3

Computational Chemistry Data

TPSA 55.12
LogP 2.1954
H_Acceptors 3
H_Donors 1
Rotatable_Bonds 2

Safety Information

Download SDS

GHS Pictogram :	GHS No : GHS07
Signal Word : Warning	UN#: N/A
Class : N/A	Packing Group : N/A
Hazard Statements : H302-H315-H319-H335
Precautionary Statements : P261-P264-P270-P271-P280-P302+P352-P304+P340-P305+P351+P338-P330-P362+P364-P403+P233-P405-P501

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Other Classifications

Building Blocks Functional Group Carboxylic Acid

Building Blocks Skeleton Aromatic heterocycle compounds Pyrazole compounds

Building Blocks Skeleton Fatty ring compounds Cyclopropane compounds

Building Blocks Skeleton Chiral compounds Chiral Building Blocks

Key Words

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2-((3bS,4aR)-5,5-Difluoro-3-(trifluoromethyl)-3b,4,4a,5-tetrahydro-1H-cyclopropa[3,4]cyclopenta[1,2-c]pyrazol-1-yl)acetic acid

CAS No. 1620056-83-8

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