Guanine
  • GuanineGuanine

Guanine

Product Name:Guanine
CAS No:73-40-5
Molecular Formula: C5H5N5O
Formula Weight: 151.13
Synonyms:2-Amino-1,9-dihydro-6H-purin-6-one

Model:CAS NO:73-40-5

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Product Description

Guanine

CAS No:73-40-5.   Manufacture site:Auton
Spec:In-house.  Batch size:200kg  Annual capacity:500mt

Chemical Name Guanine
Synonyms 2-Amino-1,9-dihydro-6H-purin-6-one; 2-Amino-6-hydroxy-1H-purine; 2-Amino-6-hydroxypurine; 2-Aminohypoxanthine; 9H-Guanine; 2-Amino-hypoxanthine; Acyclovir Impurity B; Acyclovir Impurity B, Acyclovir EP RRT - 0.4
Impurity Aciclovir EP Impurity B
CAS Number 73-40-5
Molecular Formula C₅H₅N₅O
Appearance White to Off-White Solid
Melting Point >300°C
Molecular Weight 151.13
Storage Refrigerator
Solubility Aqueous Base (Slightly)
Category Building Blocks; Miscellaneous;
Applications Guanine is one of the five nucleobases incorporated into biological nucleic acids. Guanine, along with adenine and cytosine, is present in both DNA and RNA, whereas thymine is usually seen only in DNA, and uracil only in RNA. Aciclovir EP Impurity B.
Precautionary statement(s).
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P264 Wash thoroughly after handling.
P271 Use only outdoors or in a well-ventilated area.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P302+P352 If on skin: Wash with soap and water.
P304+P340+P312 If inhaled: Remove victim to fresh air and keep at rest in a position comfortable for breath-
ing. Call a POISON CENTER or doctor/physician if you feel unwell.
P305+P351+P338 If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do – continue rinsing.
P332+P313 If skin irritation occurs: Get medical advice/attention. 

P337+P313 If eye irritation persists: get medical advice/attention.
P362 Take off contaminated clothing and wash before reuse. 

P403+P233 Store in a well ventilated place. Keep container tightly closed. 

P405 Store locked up.
P501 Dispose of contents/container to an approved waste disposal plant.

Handling and storage
Precautions for safe handling: Avoid contact with skin and eyes. Avoid inhalation of vapour or mist. Keep away from sources of ignition - No smoking. Take measures to prevent the build up of electro-

static charge. For precautions see section 2.2.
Conditions for safe storage, including any incompatibilities: Keep container tightly closed in a dry and well-ventilated place. Containers which are opened must be carefully resealed and kept upright to prevent
leakage.
Specific end use(s): Laboratory chemicals, for scientific research and development only.
Application Acyclovir intermediate


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