5-chloropyrazolo[1,5-a]pyrimidine - ≥97% , CAS No.29274-24-6

CAS: 29274-24-6 Cat. No.: C176032 Molecular Weight: 153.57 EC Number: 812-022-5
AVAILABLE TO ORDER
GRADE & PURITY ≥97%
Synonyms
AM20090387 | 5-Chloro-pyrazolo[1,5-a]pyrimidine | 5-chloropyrazolo[1,5-a]pyrimidine | FS-2831 | A819861 | DTXSID40610501 | J-517406 | SCHEMBL405358 | WEPRLWNMBTYGGD-UHFFFAOYSA-N | EN300-51050 | Z608420946 | 5-Chloropyrazolo[1 pound not5-a]pyrimidine | 5-C
Storage
Protected from light,Store at -20°C,Argon charged
Shipped In
Ice chest + Ice pads
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
5g
C176032-5g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$15.90
25g
C176032-25g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$68.90
100g
C176032-100g
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.

$206.90

$245.90
Save $39.00 (15.86%)
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Why this grade

≥97% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Protected from light,Store at -20°C,Argon charged Ships Ice chest + Ice pads Check lot-specific COA for exact specifications.

📋

Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Specifications

Synonyms
AM20090387 | 5-Chloro-pyrazolo[1, 5-a]pyrimidine | 5-chloropyrazolo[1, 5-a]pyrimidine | FS-2831 | A819861 | DTXSID40610501 | J-517406 | SCHEMBL405358 | WEPRLWNMBTYGGD-UHFFFAOYSA-N | EN300-51050 | Z608420946 | 5-Chloropyrazolo[1 pound not5-a]pyrimidine | 5-C
Specifications & Purity
≥97%
Storage
Protected from light, Store at -20°C, Argon charged
Shipped In
Ice chest + Ice pads
This product requires cold chain shipping. Ground and other economy services are not available.
Purity
≥97%
Names and Identifiers
Canonical SmilesC1=CN2C(=CC=N2)N=C1Cl
IUPAC Name5-chloropyrazolo[1,5-a]pyrimidine
InChIKeyWEPRLWNMBTYGGD-UHFFFAOYSA-N
INCHI1S/C6H4ClN3/c7-5-2-4-10-6(9-5)1-3-8-10/h1-4H
Isomeric SMILES C1=CN2C(=CC=N2)N=C1Cl
Molecular Weight 153.57
Reaxy-Rn 509625
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=509625&ln=

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganoheterocyclic compounds
ClassPyrazolopyrimidines
SubclassPyrazolo[1,5-a]pyrimidines
Intermediate Tree Nodes Not available
Direct ParentPyrazolo[1,5-a]pyrimidines
Alternative Parents Halopyrimidines  Aryl chlorides  Pyrazoles  Heteroaromatic compounds  Azacyclic compounds  Organonitrogen compounds  Organochlorides  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteropolycyclic compounds
Substituents Pyrazolo[1,5-a]pyrimidine - Halopyrimidine - Pyrimidine - Aryl halide - Aryl chloride - Heteroaromatic compound - Pyrazole - Azole - Azacycle - Organic nitrogen compound - Hydrocarbon derivative - Organonitrogen compound - Organochloride - Organohalogen compound - Aromatic heteropolycyclic compound
DescriptionThis compound belongs to the class of organic compounds known as pyrazolo[1,5-a]pyrimidines. These are aromatic heterocyclic compounds containing a pyrazolo[3,4-d]pyrimidine ring system, which consists of a pyrazole ring fused to and sharing exactly one nitrogen atom with a pyrimidine ring.
External Descriptors Not available
3D Structure
Interactive Chemical Structure Model





Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

3 results found

Lot NumberCertificate TypeDateItem
A2609276Certificate of AnalysisNov 27, 2025 C176032
A2609277Certificate of AnalysisNov 27, 2025 C176032
A2609301Certificate of AnalysisNov 27, 2025 C176032
Chemical and Physical Properties
SensitivityLight sensitive
Molecular Weight153.570 g/mol
XLogP31.300
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count2
Rotatable Bond Count0
Exact Mass153.009 Da
Monoisotopic Mass153.009 Da
Topological Polar Surface Area30.200 Ų
Heavy Atom Count10
Formal Charge0
Complexity130.000
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
The total count of all stereochemical bonds0
Covalently-Bonded Unit Count1
Solution Calculators
Reviews

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