1,8-Diazabicyclo[5.4.0]undec-7-ene, compound with p-toluenesulfonic acid (1:1) , CAS No.51376-18-2

CAS: 51376-18-2 Cat. No.: D487124 Molecular Weight: 324.44 EC Number: 257-164-3
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Synonyms
1,8-Diazabicyclo[5.4.0]undec-7-ene,compound with p-toluenesulfonic acid(1:1) | TsOH DBU | 1,8-Diazabicyclo[5.4.0]undec-7-ene, compound with p-toluenesulfonic acid (1:1) | 2,3,4,6,7,8,9,10-Octahydropyrimido[1,2-a]azepine 4-methylbenzenesulfonate | 1,8-diaz
Storage
Store at 2-8°C,Protected from light,Desiccated
Shipped In
Wet ice
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
10g
D487124-10g
1

$114.90

$139.90
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50g
D487124-50g
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$301.90

$353.90
Save $52.00 (14.69%)
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Why this grade

for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Store at 2-8°C,Protected from light,Desiccated Ships Wet ice 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 1 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

Description

Polymerization catalyst.

Specifications

Synonyms
1, 8-Diazabicyclo[5.4.0]undec-7-ene, compound with p-toluenesulfonic acid(1:1) | TsOH DBU | 1, 8-Diazabicyclo[5.4.0]undec-7-ene, compound with p-toluenesulfonic acid (1:1) | 2, 3, 4, 6, 7, 8, 9, 10-Octahydropyrimido[1, 2-a]azepine 4-methylbenzenesulfonate | 1, 8-diaz
Storage
Store at 2-8°C, Protected from light, Desiccated
Shipped In
Wet ice
This product requires cold chain shipping. Ground and other economy services are not available.
Names and Identifiers
Canonical SmilesCC1=CC=C(C=C1)S(=O)(=O)O.C1CCC2=NCCCN2CC1
IUPAC Name4-methylbenzenesulfonic acid;2,3,4,6,7,8,9,10-octahydropyrimido[1,2-a]azepine
InChIKeyVAIAHWBLSPENDF-UHFFFAOYSA-N
INCHI1S/C9H16N2.C7H8O3S/c1-2-5-9-10-6-4-8-11(9)7-3-1;1-6-2-4-7(5-3-6)11(8,9)10/h1-8H2;2-5H,1H3,(H,8,9,10)
Isomeric SMILES CC1=CC=C(C=C1)S(=O)(=O)O.C1CCC2=NCCCN2CC1
Molecular Weight 324.44
Reaxy-Rn 22279765
Reaxys-RN_link_address https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=22279765&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

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.

9 results found

Lot NumberCertificate TypeDateItem
D2623171Certificate of AnalysisApr 30, 2026 D487124
D2623227Certificate of AnalysisApr 30, 2026 D487124
C2602050Certificate of AnalysisMar 06, 2026 D487124
C2602053Certificate of AnalysisMar 06, 2026 D487124
G2504030Certificate of AnalysisSep 23, 2024 D487124
I2414060Certificate of AnalysisSep 23, 2024 D487124
I2414061Certificate of AnalysisSep 23, 2024 D487124
I2414062Certificate of AnalysisSep 23, 2024 D487124
I2414063Certificate of AnalysisSep 23, 2024 D487124
Chemical and Physical Properties
Flash Point(°F)Not applicable
Flash Point(°C)Not applicable
Melt Point(°C)70.9-90.7℃ (lit.)
Citations of This Product
References
1. Zhaochu Xu, Jiang Yu, Yingxi Zhang, Yue Wang, Wenxiao Li, Baoyue Zhang, Wenwen Cui, Yicheng Li, Yue Wang, Zimeng Yang, Yubo Liu, Xin Li, Yongjun Wang, Zhonggui He, Hongzhuo Liu.  (2025)  In situ oxidation-responsive nanovaccine coordinates photosensitizer and STING agonist for cancer photo-immunotherapy.  Nano Today,      [PMID:] [10.1016/j.nantod.2025.102726]
Solution Calculators
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