4H,5H,6H,7H-pyrazolo[1,5-a]pyrimidine - ≥96% , CAS No.126352-69-0

CAS: 126352-69-0 Cat. No.: H173136 Molecular Weight: 123.16 EC Number: 823-035-0
AVAILABLE TO ORDER
GRADE & PURITY ≥96%
Synonyms
1,5,6,7-tetrahydropyrazolo[1,5-a]pyrimidine | AMY23508 | F2147-1249 | W-205245 | FT-0645773 | Pyrazolo[1,5-a]pyrimidine, 4,5,6,7-tetrahydro- | 4,5,6,7-Tetrahydropyrazolo[1,5-a]pyrimidine, AldrichCPR | 4H,5H,6H,7H-pyrazolo[1,5-a]pyrimidine | AKOS005167997
Storage
Protected from light,Room temperature,Argon charged
Shipped In
Normal
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
250mg
H173136-250mg
3
$25.90
1g
H173136-1g
3
$65.90
5g
H173136-5g
2
$229.90
Enter a quantity for the sizes you want to add.
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Why this grade

≥96% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Protected from light,Room temperature,Argon charged Ships Normal Check lot-specific COA for exact specifications.

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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
1, 5, 6, 7-tetrahydropyrazolo[1, 5-a]pyrimidine | AMY23508 | F2147-1249 | W-205245 | FT-0645773 | Pyrazolo[1, 5-a]pyrimidine, 4, 5, 6, 7-tetrahydro- | 4, 5, 6, 7-Tetrahydropyrazolo[1, 5-a]pyrimidine, AldrichCPR | 4H, 5H, 6H, 7H-pyrazolo[1, 5-a]pyrimidine | AKOS005167997
Specifications & Purity
≥96%
Storage
Protected from light, Room temperature, Argon charged
Shipped In
Normal
Purity
≥96%
Names and Identifiers
Canonical SmilesC1CNC2=CC=NN2C1
IUPAC Name4,5,6,7-tetrahydropyrazolo[1,5-a]pyrimidine
InChIKeyHJFZVTDRWQVFDN-UHFFFAOYSA-N
INCHI1S/C6H9N3/c1-3-7-6-2-4-8-9(6)5-1/h2,4,7H,1,3,5H2
Isomeric SMILES C1CNC2=CC=NN2C1
Molecular Weight 123.16
Reaxy-Rn 7701270
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=7701270&ln=

Documentation

📋 Safety Data Sheet (SDS)

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

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✅ Certificate of Analysis (COA)

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

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📊 Datasheet

Quick-reference summary of product specifications and applications.

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🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

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Advanced Data

Taxonomic Classification

Taxonomy Tree

KingdomOrganic compounds
SuperclassOrganoheterocyclic compounds
ClassPyrazolopyrimidines
SubclassNot available
Intermediate Tree Nodes Not available
Direct ParentPyrazolopyrimidines
Alternative Parents Secondary alkylarylamines  Pyrimidines and pyrimidine derivatives  Pyrazoles  Heteroaromatic compounds  Azacyclic compounds  Organopnictogen compounds  Hydrocarbon derivatives  
Molecular FrameworkAromatic heteropolycyclic compounds
Substituents Pyrazolopyrimidine - Secondary aliphatic/aromatic amine - Pyrimidine - Heteroaromatic compound - Pyrazole - Azole - Azacycle - Secondary amine - Organic nitrogen compound - Organopnictogen compound - Hydrocarbon derivative - Organonitrogen compound - Amine - Aromatic heteropolycyclic compound
DescriptionThis compound belongs to the class of organic compounds known as pyrazolopyrimidines. These are compounds containing a pyrazolopyrimidine skeleton, which consists of a pyrazole fused to a pyrimidine. Pyrazole is 5-membered ring consisting of three carbon atoms and two adjacent nitrogen centers. Pyrimidine is 6-membered ring consisting of four carbon atoms and two adjacent nitrogen atoms at the 1- and 3- ring position.
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
K2524437Certificate of AnalysisSep 22, 2025 H173136
K2524439Certificate of AnalysisSep 22, 2025 H173136
K2524501Certificate of AnalysisSep 22, 2025 H173136
Chemical and Physical Properties
Molecular Weight123.160 g/mol
XLogP30.600
Hydrogen Bond Donor Count1
Hydrogen Bond Acceptor Count2
Rotatable Bond Count0
Exact Mass123.08 Da
Monoisotopic Mass123.08 Da
Topological Polar Surface Area29.900 Ų
Heavy Atom Count9
Formal Charge0
Complexity104.000
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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