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China Professinal Factory Supply High Quality Guanine CAS 73-40-5

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CAS No.:

73-40-5

Grade:

Chemical Grade

Content:

99%

Port:

Shanghai

Packaging:

25/Cardboard Drum

Price valid (until):

2025-06-30

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Hubei Shengtong Import & Export co.,Ltd

Company Type:

Trader

Location:

China

Qualification:

Main Products:

the pharmaceutical raw materials, pharmaceutical intermediates, basic chemicals and agrochemicals,Glyoxal,Oxalic acid dihydrate,Allantoin,OXALIC ACID,Glyoxylic acid

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Product Description
Seller Information
Inquiry History

Description

Product Detail

Shop China Factory Supply High Quality Guanine-Detailed Image 1

Product Name: Guanine

Molecular Formula: C5H5N5O
Molecular Weight: 151.126

CAS No.：73-40-5

Appearance: White to light yellow crystalline powder
Packaging: 25kg/paper drum/ kraft paper bag/as per customer requirements.

Applications:Suitable for use in general cosmetics, primarily as a pearlescent agent in lipsticks, nail polishes, and eye cosmetics. Used as intermediates for antiviral drugs Acyclovir, Thioguanine, and Open-ring Guanine intermediates.

Shop China Factory Supply High Quality Guanine-Detailed Image 2

Company Introduction

Hubei Shengtong Import and Export Co., Ltd. is a start-up company focused in the trading of the import and export of chemicals,established in March 2025, located in No.518 Qingnian Road, Jianghan District, Wuhan City. Shengtong is expected to commit to offer the import and export of the high quality of the pharmaceutical raw materials, pharmaceutical intermediates, basic chemicals and agrochemicals, etc..

Shop Oxalic Acid 144-62-7 colorless transparent crystals or powder.-Detailed Image 1

"Customer First, Integrity-Driven Operations, Commitment to Innovation, and Collaborative Win-Win Partnerships"‌. we eagerly anticipate joining hands with partners from all sectors to jointly create a brighter future.

Guanine is one of the fundamental components of nucleic acids (DNA and RNA). Guanine is a purine derivative, consisting of a fused pyrimidine-imidazole ring system with conjugated double bonds.

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:

Bulk Drug Intermediates

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 Å² [M+H]+ [CCS Type: DT, Method: stepped-field]|124 Å² [M+H]+ [CCS Type: TW, Method: calibrated with polyalanine]|129.9 Å² [M+H]+ [CCS Type: DT, Method: single field calibrated with ESI Low Concentration Tuning Mix (Agilent)]|136 Å² [M+K]+ [CCS Type: DT, Method: single field calibrated with ESI Low Concentration Tuning Mix (Agilent)]|137.8 Å² [M+Na]+ [CCS Type: DT, Method: single field calibrated with ESI Low Concentration Tuning Mix (Agilent)]|131 Å² [M+H]+

Experimental Properties:

MANY COMPD WITH ACIDS, BASES & METALS HAVE BEEN PREPARED

See More Guanine Properties 

Hazard Identification

Classification of the substance or mixture

Skin irritation, Category 2

Eye irritation, Category 2

GHS label elements, including precautionary statements

Precautionary statement(s)
Pictogram(s)
Signal word	Warning
Hazard statement(s)	H315 Causes skin irritation H319 Causes serious eye irritation
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 Storage

Precautions 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.

See More Guanine Safety Data Sheet 

Seller Information

Business Type:
Trader

Main Products:
the pharmaceutical raw materials, pharmaceutical intermediates, basic chemicals and agrochemicals,Glyoxal,Oxalic acid dihydrate,Allantoin,OXALIC ACID,Glyoxylic acid

Location:
Room 1008, Tower A, JiangChengTianJie 518, Qingnian Road, Jianghan District, Wuhan, Hubei Province, China

Year of Establishment:
2025

Inquiry History

3 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

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