PNQ supply pharmaceutical nootropics Paraxanthine 1,7-DIMETHYLXANTHINE
76 Inquiries
611-59-6
Chemical Grade
99%
Wuhan pnq
Aluminum foil bag
2029-11-22
Apigenin,PQQ,NMNH
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Product Description
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Seller Information
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Inquiry History
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DescriptionBasic Info
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Product Name:
Paraxanthine
Other Name:1H-Purine-2,6-dione,3,7-dihydro-1,7-dimethyl-;Paraxanthine;3,7-Dihydro-1,7-dimethyl-1H-purine-2,6-dione;1,7-Dimethylxanthine;NSC 400018;1,7-Dimethyl-2,3,6,7-tetrahydro-1H-purine-2,6-dione
CAS No.:611-59-6
Molecular Formula:C7H8N4O2
InChIKeys:InChIKey=QUNWUDVFRNGTCO-UHFFFAOYSA-N
Molecular Weight:180.16
Exact Mass:180.16
EC Number:210-271-9
UNII:Q3565Y41V7
NSC Number:400018
DSSTox ID:DTXSID2052281
Categories:
Characteristics-
PSA:
67.2
XLogP3:-0.2
Appearance:white solid
Density:1.6 g/cm3
Melting Point:297-299 °C
Boiling Point:312.97°C (rough estimate)
Flash Point:9℃
Refractive Index:1.737
Water Solubility:ethanol: 0.6mg/mL
Storage Conditions:-20°C Freezer
Toxicity:mmo-esc 150 mg/L CSHSAZ 16,337,52
Collision Cross Section:133.24 Ų [M-H]- [CCS Type: DT, Method: single field calibrated with Agilent tune mix (Agilent)]|135.63 Ų [M+H]+ [CCS Type: DT, Method: stepped-field]|134 Ų [M+H]+ [CCS Type: DT, Method: single field calibrated with ESI Low Concentration Tuning Mix (Agilent)]|138.7 Ų [M+H]+ [CCS Type: DT, Method: single field calibrated with ESI Low Concentration Tuning Mix (Agilent)]|149.5 Ų [M+Na]+ [CCS Type: DT, Method: single field calibrated with ESI Low Concentration Tuning Mix (Agilent)]|132.4 Ų [M+H]+ [CCS Type: TW, Method: calibrated with polyalanine and drug standards]|134.5 Ų [M+H]+
Hazard IdentificationClassification of the substance or mixture
Acute toxicity - Category 4, Oral
GHS label elements, including precautionary statements
Pictogram(s) 
Signal word Warning
Hazard statement(s) H302 Harmful if swallowed
Precautionary statement(s) Prevention P264 Wash ... thoroughly after handling.
P270 Do not eat, drink or smoke when using this product.
Response P301+P317 IF SWALLOWED: Get medical help.
P330 Rinse mouth.
Storage none
Disposal P501 Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations, and product characteristics at time of disposal.
Other hazards which do not result in classification
no data available
Handling and StoragePrecautions for safe handling
Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.
Conditions for safe storage, including any incompatibilities
Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials.
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Seller Information
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Business Type:
Trader
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Main Products:
Apigenin,PQQ,NMNH
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Location:
Room 1006, Building C6, Economic Development Wanda, Caidian District, Wuhan City, Hubei Province
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Payment Terms:
100% TT in advance
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Average lead Time:
30
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Total Annual Revenue:
Less than $1 million
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Total Employees:
5-10
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Year of Establishment:
2021
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Inquiry History76 Inquiries
Country Product Purchase Quantity Date Posted 
United States
cas 611-59-6 1,7-DIMETHYLXANTHINE
250 G Oct 5, 2023 
Canada
CAS 611-59-6 1,7-DIMETHYLXANTHINE Factory Supply
10 KG Nov 3, 2023
United States
Best price Paraxanthine CAS 611-59-6 with safe delivery JC
20 KG Nov 2, 2023
United States
pharmaceutical nootropics Paraxanthine 1,7-DIMETHYLXANTHINE CAS: 611-59-6 99% white powder HHD HHD
1 KG Sep 29, 2023 
Peru
pharmaceutical nootropics Paraxanthine 1,7-DIMETHYLXANTHINE CAS: 611-59-6 99% white powder HHD HHD
10 KG Nov 15, 2023 
Thailand
pharmaceutical nootropics Paraxanthine 1,7-DIMETHYLXANTHINE CAS: 611-59-6 99% white powder HHD HHD
20 KG Nov 11, 2023
United States
pharmaceutical nootropics Paraxanthine 1,7-DIMETHYLXANTHINE CAS: 611-59-6 99% white powder HHD HHD
100 G Oct 11, 2023 
United Kingdom
pharmaceutical nootropics Paraxanthine 1,7-DIMETHYLXANTHINE CAS: 611-59-6 99% white powder HHD HHD
1 MT Aug 3, 2023
United States
Pure 99% 1,7-Dimethylxanthine raw powder Paraxanthine
2 KG Jun 12, 2025
United States
Para xanthine
1 KG May 31, 2024 
Colombia
paraxanthine
1 KG Feb 27, 2024 
China
Paraxanthine
0.1 MT May 25, 2026
United States
Paraxanthine
1 KG Apr 2, 2026
United States
Paraxanthine
1 KG Feb 12, 2026 
Poland
Paraxanthine 1,7-Dimethylxanthine 99%
25 KG Nov 28, 2025 
Australia
paraxanthine
1 KG Nov 10, 2025 
France
paraxanthine
10 G Jul 10, 2025
United States
1,7-dimethylxanthine (Paraxanthine)
100 KG Jun 26, 2025 
Denmark
Paraxanthine
500 G May 2, 2025
United States
High purity paraxanthine
20 KG Mar 30, 2025 Post an enquiry for this product
