Guanine
3 Inquiries
73-40-5
according to the clients requirement
2026-07-17
N-Diethyl-m-toluamide,6-Methyluracil,Anisole,4-Dimethoxybenzoic acid,CS (lacrimator),Daucosterol
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Product Description
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Seller Information
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Inquiry History
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DescriptionKeywords
Guanine
purity 98% Guanine
high quality cas 73-40-5
Quick DetailsProName:Guanine
CasNo:73-40-5
Molecular Formula:C5H5N5O
Appearance:white to light yellow crystal powder
Application:It is an important raw material and intermediate used in Organic Synthesis, Pharmaceuticals, Agrochemicals and Dyestuff.
DeliveryTime:prompt
PackAge:according to the clients requirement
Port:Shanghai
ProductionCapacity:Metric Ton/Day
Purity:98%
Storage:Store in dry, dark and ventilated place.
Transportation:by sea or by air
LimitNum:1 Gram
SuperiorityDayangchem’s R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. DayangChem can provide different quantities of custom synthesis chemicals in lab, plant and industrial scale with more than fifteen years.
DayangChem exported this product to many countries and regions at best price in China. If you are looking for the product’s supplier in China, Dayangchem is your best choice.
Pls contact with us freely for getting detailed product specifications, product tech. date sheet, COA and MSDS, prices, delivery time and payment terms.
Details
Dayang Chem (Hangzhou) Co. Limited, established in 2000, dedicated to the development, production and marketing of chemicals. We are a leading manufacturer and supplier of chemicals in China.
Manufacturing base: The Company has some Manufacturing base in Zhejiang, Jiangsu and Shandong provide. These bases focus on production and Contract Manufacturing.
Sales agent: Dayangchem are authorized by many Chinese chemical manufacturers as universal agency and international area agency. Dayangchem has established very good cooperation and business relations with hundreds of Chinese qualified manufacturers by long time business intercourse.
Strong quality control system: Strength of our ethical commitment to quality control and quality assurance systems firmly based on ISO standard. QA and QC used in the whole process of raw material control, process control and finished product quality inspection.
Third lab test: Audit directly and tested by third party like SGS or INTERTEK in any time will be accepted under required.
Flexible payment terms: Various payment terms such as L/C,D/P,D/A and T/T will be accepted. Special Notice: DAYANGCHEM never require customers to remit payment to a personal account. Beware of being cheated.
Rich experience in sales: 1000 square meters of office space with independent property rights, Sales team of nearly 40 people. Our customers throughout the world, especially the world-renowned companies, such as BACHEM, BASF, CELANESE, CORDEN,DOW,EVONIK, GENZYME,HENKEL, MERCK,ROCHE,SANOFI,SOLVAY.
Basic Info-
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:
Manufactory
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Main Products:
N-Diethyl-m-toluamide,6-Methyluracil,Anisole,4-Dimethoxybenzoic acid,CS (lacrimator),Daucosterol
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Location:
RM901-7,Unit 2,259# WenSan Road, Xihu District, Hangzhou Zhejiang, China
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Payment Terms:
TT against copy of documents,D/P,L/C,D/A,TT against B/L draft before shipment,100% TT in advance
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Average lead Time:
2
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Total Annual Revenue:
$10 million-$25 million
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Total Employees:
11-50
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Year of Establishment:
2020
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Certifications:
Dangerous Chemicals Business License,Pesticide Business License,ISO 9001:2015
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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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