Pyrazolo[1,5-a]pyrimidin-5-ol - ≥98% , CAS No.29274-22-4

CAS: 29274-22-4 Cat. No.: P192573 Molecular Weight: 135.12 EC Number: 694-865-7 PubChem CID: 135513288
AVAILABLE TO ORDER
GRADE & PURITY ≥98%
Synonyms
BG-0010 | FT-0681735 | SY019321 | Z1966571755 | J-517618 | pyrazolo[1,5-a]pyrimidin-5(4H)-one | 1H-PYRAZOLO[1,5-A]PYRIMIDIN-5-ONE | 4H-pyrazolo[1,5-a]pyrimidin-5-one | GM 14 | P11730 | AKOS005073888 | DTXSID70582949 | PB28532 | Pyrazolo[1 pound not5-a]pyr
Storage
Room temperature
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
50mg
P192573-50mg
1
$9.90
1g
P192573-1g
1
$10.90
5g
P192573-5g
1

$23.90

$35.90
Save $12.00 (33.43%)
25g
P192573-25g
1

$118.90

$178.90
Save $60.00 (33.54%)
100g
P192573-100g
1

$380.90

$571.90
Save $191.00 (33.40%)
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🧪

Why this grade

≥98% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Room temperature Ships Normal 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
BG-0010 | FT-0681735 | SY019321 | Z1966571755 | J-517618 | pyrazolo[1, 5-a]pyrimidin-5(4H)-one | 1H-PYRAZOLO[1, 5-A]PYRIMIDIN-5-ONE | 4H-pyrazolo[1, 5-a]pyrimidin-5-one | GM 14 | P11730 | AKOS005073888 | DTXSID70582949 | PB28532 | Pyrazolo[1 pound not5-a]pyr
Specifications & Purity
≥98%
Storage
Room temperature
Shipped In
Normal
Purity
≥98%
Names and Identifiers
Canonical SmilesC1=CN2C(=CC=N2)NC1=O
IUPAC Name4H-pyrazolo[1,5-a]pyrimidin-5-one
InChIKeyLSLIYLLMLAQRIS-UHFFFAOYSA-N
INCHI1S/C6H5N3O/c10-6-2-4-9-5(8-6)1-3-7-9/h1-4H,(H,8,10)
Isomeric SMILES C1=CN2C(=CC=N2)NC1=O
PubChem CID 135513288
Molecular Weight 135.12

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.

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🔬 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 Hydroxypyrimidines  Pyrazoles  Heteroaromatic compounds  Azacyclic compounds  Organopnictogen compounds  Organooxygen compounds  Organonitrogen compounds  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteropolycyclic compounds
Substituents Pyrazolo[1,5-a]pyrimidine - Hydroxypyrimidine - Pyrimidine - Heteroaromatic compound - Pyrazole - Azole - Azacycle - Organic nitrogen compound - Organic oxygen compound - Organopnictogen compound - Hydrocarbon derivative - Organooxygen compound - Organonitrogen 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.

10 results found

Lot NumberCertificate TypeDateItem
B2506456Certificate of AnalysisJan 15, 2025 P192573
B2506488Certificate of AnalysisJan 15, 2025 P192573
B2506489Certificate of AnalysisJan 15, 2025 P192573
B2506493Certificate of AnalysisJan 15, 2025 P192573
B2512453Certificate of AnalysisJan 15, 2025 P192573
B2512454Certificate of AnalysisJan 15, 2025 P192573
B2512455Certificate of AnalysisJan 15, 2025 P192573
B2512456Certificate of AnalysisJan 15, 2025 P192573
B2512457Certificate of AnalysisJan 15, 2025 P192573
B2512458Certificate of AnalysisJan 15, 2025 P192573
Chemical and Physical Properties
Molecular Weight135.120 g/mol
XLogP3-0.300
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count2
Rotatable Bond Count0
Exact Mass135.043 Da
Monoisotopic Mass135.043 Da
Topological Polar Surface Area46.900 Ų
Heavy Atom Count10
Formal Charge0
Complexity189.000
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
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