Guanine Acyclovir Intermediates
3 Inquiries
73-40-5
Pharmaceutical Grade
99.9%
Shanghai
Hugarise
25kg/drum
2026-05-03
Electronic chemicals,Fluorinated chemicals,Silane Hydrolysis Oligomers,Fine chemicals,Pharmaceutical Intermediates
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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:
Guanine
Other Name:6H-Purin-6-one,2-amino-1,9-dihydro-;Guanine;6H-Purin-6-one,2-amino-1,7-dihydro-;2-Amino-1,9-dihydro-6H-purin-6-one;C.I. 75170;2-Aminohypoxanthine;C.I. Natural White 1;Hypoxanthine,2-amino-;Pearl Essence;Stella Polaris;2-Amino-6-hydroxypurine;2-Amino-6-hydroxy-1H-purine;Guanine enol;Dew Pearl;Naturon;Guanin;Mearlmaid;Natural Pearl Essence;Natural White 1;Mearlmaid AA;9H-Guanine;2-Amino-6,7-dihydro-1H-purin-6-one;2-Imino-2,3-dihydro-1H-purin-6-ol;2-Amino-6,7-dihydro-3H-purin-6-one;2-Amino-1H-purin-6(7H)-one;2-Amino-9H-purin-6-ol;2-Amino-3,7-dihydropurin-6-one;2-Amino-6,9-dihydro-3H-purin-6-one;2-Amino-1,9-dihydro-purin-6-one;2-Amino-6,9-dihydro-1H-purin-6-one;492-33-1;8039-79-0;11006-44-3;15986-36-4;37432-34-1;54435-87-9;69257-39-2;158475-99-1;66224-64-4;929247-29-0;934585-79-2;936902-27-1
CAS No.:73-40-5
Molecular Formula:C5H5N5O
InChIKeys:InChIKey=UYTPUPDQBNUYGX-UHFFFAOYSA-N
Molecular Weight:151.13
Exact Mass:151.13
BRN:9680
EC Number:200-799-8
UNII:5Z93L87A1R
DSSTox ID:DTXSID9052476
NCI Thesaurus Code:C532
Color/Form:SEVERAL DESMOTROPIC FORMS; USUALLY AMORPHOUS|SMALL RHOMBIC CRYSTALS BY SLOW EVAPORATION OF AQ SOLN CONTAINING LARGE EXCESS OF AMMONIA|NEEDLES OR PLATES FROM AMMONIUM HYDROXIDE
HScode:29335990
Categories:
Characteristics-
PSA:
96.2
XLogP3:-1
Appearance:White to cream Powder
Density:2.2±0.1 g/cm3
Melting Point:360 °C (decomp)
Boiling Point:591.4ºC at 760 mmHg
Flash Point:293.4±27.9 °C
Refractive Index:2.047
Water Solubility:Practically insoluble in water;1 M NaOH: 0.1 M at 20 °C, clear, colorless
Storage Conditions:2-8°C
Dissociation Constants:B: 6.09X10-4; A: 1.19X10-10 @ 40 °C
Collision Cross Section:133.55 Ų [M+H]+ [CCS Type: DT, Method: stepped-field]|124 Ų [M+H]+ [CCS Type: TW, Method: calibrated with polyalanine]|129.9 Ų [M+H]+ [CCS Type: DT, Method: single field calibrated with ESI Low Concentration Tuning Mix (Agilent)]|136 Ų [M+K]+ [CCS Type: DT, Method: single field calibrated with ESI Low Concentration Tuning Mix (Agilent)]|137.8 Ų [M+Na]+ [CCS Type: DT, Method: single field calibrated with ESI Low Concentration Tuning Mix (Agilent)]|131 Ų [M+H]+
Experimental Properties:MANY COMPD WITH ACIDS, BASES & METALS HAVE BEEN PREPARED
Hazard IdentificationClassification of the substance or mixture
Skin irritation, Category 2
Eye irritation, Category 2
GHS label elements, including precautionary statements
Pictogram(s) 
Signal word Warning
Hazard statement(s) H315 Causes skin irritation
H319 Causes serious eye irritation
Precautionary statement(s) Prevention P264 Wash ... thoroughly after handling.
P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/...
Response P302+P352 IF ON SKIN: Wash with plenty of water/...
P321 Specific treatment (see ... on this label).
P332+P317 If skin irritation occurs: Get medical help.
P362+P364 Take off contaminated clothing and wash it before reuse.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
Storage none
Disposal none
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:
Electronic chemicals,Fluorinated chemicals,Silane Hydrolysis Oligomers,Fine chemicals,Pharmaceutical Intermediates
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Location:
Room 811, Building E, Wuhan Living Room Exhibition Center, Hongtu Road, Dongxihu District, Wuh
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Payment Terms:
100% TT in advance
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Average lead Time:
25
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Total Annual Revenue:
$1 million-$2.5 million
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Total Employees:
11-50
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Year of Establishment:
2020
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Inquiry History3 Inquiries
Country Product Purchase Quantity Date Posted 
Germany
High Purity Guanine,2-Aminohypoxanthine, Mearlmaid, Pearl essence 98% Powder 73-40-5
1 KG Feb 27, 2024 
Australia
Guanine
10 G Dec 30, 2025
Australia
Guanine
10 G Dec 30, 2025 Post an enquiry for this product
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