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99%CAS NO 65-71-4 Top Quality Thymine Biochemical research, nucleic acid synthesis, pharmaceutical intermediates

Name: 99%CAS NO 65-71-4 Top Quality Thymine Biochemical research, nucleic acid synthesis, pharmaceutical intermediates
Brand: Qihang
SKU: pr2606051923
Price: 40 USD
Availability: InStock

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CAS No.:

65-71-4

Grade:

Pharmaceutical Grade

Content:

99%

Port:

China

Brand:

Qihang

Packaging:

Thymine 10mg 15mg 20mg 30mg 50mg 60mg ;DNA sequencing

Price valid (until):

2026-07-05

Contact Supplier

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Qihang ZhouJi Biotechnology

Company Type:

Trader

Location:

China

Payment Terms:

TT against copy of documents,D/P,L/C,D/A,O/A,TT against B/L draft before shipment,100% TT in advance

Average Lead Time:

10 days

Qualification:

Main Products:

Semaglutide,Tirzepatide,Retatrutide,MOTS-C,TB500,KPV

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Product Description
Seller Information
Inquiry History

Description

Product Detail

Sales manager: Liora

whatsapp：+17392586673

Email:17392586673@qhzjbio.com

Thymine is a pyrimidine base that plays a crucial role in DNA structure and genetic information transmission. It is one of the four essential nucleobases in DNA, alongside adenine, guanine, and cytosine.

Chemically, thymine has a molecular formula of C5H6N2O2, with a molecular weight of 126.11. It appears as a white, crystalline powder with good stability, slightly soluble in water but soluble in alkaline solutions. In DNA, thymine specifically pairs with adenine (A-T pairing) through hydrogen bonds, which is critical for maintaining the double-helix structure of DNA and ensuring accurate genetic replication.

Thymine is not naturally present in RNA; instead, it is replaced by uracil. It is primarily involved in genetic information storage and transmission, serving as a key component of DNA. In scientific research, thymine is often used as a raw material in nucleic acid-related experiments, and it also acts as an intermediate in pharmaceutical and biochemical research.

Notably, thymine is sensitive to ultraviolet (UV) radiation, which can cause DNA damage (such as thymine dimers), affecting genetic stability. It is typically stored in a dry, dark environment to maintain its structural and functional integrity.

Shop CAS NO 65-71-4 Top Quality Thymine Biochemical research, nucleic acid synthesis, pharmaceutical intermediates-Detailed Image 1

Items	Specifications
Product Name	Thymine
Product name	Thymine
Peptide Purity	99%
Peptide Specification	5mg, 10mg, 15mg, 20mg, 30mg, 50mg, 100mg, 120mg etc in small vials
CAS NO	65-71-4
Packaging	Glass vials，10 vials/box
Storage	Cool Dry Place
Arrival Time	10-15days

Our company was established in 2024. Our main products are various peptides，such as weight loss peptide, anti-wrinkle peptide, tanning titanium, and other products, reliable quality, committed to strict quality control and thoughtful customer service, our experienced staff is always available to discuss your requirements to ensure customer satisfaction.
We always put the value of our customers as our top priority, we focus on high quality, competitive price, flexible order quantity, timely delivery. Our products are mainly exported to European countries, the United Kingdom, the United States, Canada and Australia. Our products are widely recognized and trusted by users.
We have our own delivery line to Canada, USA, UK, Spain, Poland, Netherland, Germany, Russia, Kazakhstan, Ukraine, etc. Door to door without any customs clearance issues.
We therefore focus on sourcing materials of perfect quality and ensure strict internal process control.Our goal is to survive by quality and develop by reputation.
Our advantage: Safe, effective and efficient customer service. Our products are produced quickly and safely. Provide samples before regular order. We focus on serving foreign customers, our products sell well in many countries. We ensure quality products and reasonable prices. We have good after-sales service, solve any type of problem, the goal is to make every customer satisfied with our company and get the best reputation.
Constantly strive for high quality products, competitive prices, professional support, effective team, cooperative and honest cooperation, good after-sales work
In the past two years, our products have been spread across Europe, South America, North America, Southeast Asia, Africa and other more than 30 countries in the world. We work with friends all over the world to develop quality products, reasonable prices and safe and efficient transportation. Products are ordered in quantities ranging from milligrams to tons. Meet the new and old customers to buy. Shop CAS NO 65-71-4 Top Quality Thymine Biochemical research, nucleic acid synthesis, pharmaceutical intermediates-Detailed Image 6

ECHEMI Editorial Reference

Thymine is one of the four nucleobases in the nucleic acid of DNA and can be a target for actions of 5-fluorouracil (5-FU) in cancer treatment, with a Km of 2.3 μM.
Solid
Thymine is a pyrimidine nucleobase that is uracil in which the hydrogen at position 5 is replaced by a methyl group. It has a role as a human metabolite, an Escherichia coli metabolite and a mouse metabolite. It is a pyrimidine nucleobase and a pyrimidone.|One of four constituent bases of DNA.

Research & Reference Note

99%CAS NO 65-71-4 Top Quality Thymine Biochemical research, nucleic acid synthesis, pharmaceutical intermediates is listed on ECHEMI for industrial / laboratory sourcing. This listing is for industrial and laboratory research use. Product information on ECHEMI is provided for sourcing and specification reference. It is not medical advice, a clinical recommendation, or an approved therapy description. Always verify regulatory status, purity, and intended use with the supplier and applicable authorities before purchase or use.

Authoritative sources

Disclaimer: This listing is for industrial and laboratory research use. Product information on ECHEMI is provided for sourcing and specification reference. It is not medical advice, a clinical recommendation, or an approved therapy description. Always verify regulatory status, purity, and intended use with the supplier and applicable authorities before purchase or use.

Reviewed by ECHEMI Scientific Review - Platform editorial review for research chemicals

Certificates

Basic Info

Product Name:

Thymine

Other Name:

2,4(1H,3H)-Pyrimidinedione,5-methyl-;Thymine;5-Methyl-2,4(1H,3H)-pyrimidinedione;2,4-Dihydroxy-5-methylpyrimidine;5-Methyluracil;5-Methyl-2,4-dihydroxypyrimidine;5-Methylpyrimidine-2,4-dione;5-Methyl-1,2,3,4-tetrahydropyrimidine-2,4-dione;NSC 14705;NSC 168663;4-Hydroxy-5-methylpyrimidin-2(1H)-one;2-Hydroxy-5-methyl-3,4-dihydropyrimidin-4-one;2-Hydroxy-5-methyl-1,4-dihydropyrimidin-4-one;3059-73-2;691841-57-3

CAS No.:

65-71-4

Molecular Formula:

C5H6N2O2

InChIKeys:

InChIKey=RWQNBRDOKXIBIV-UHFFFAOYSA-N

Molecular Weight:

126.11

Exact Mass:

126.11

BRN:

607626

EC Number:

200-616-1

UNII:

QR26YLT7LT

NSC Number:

14705

DSSTox ID:

DTXSID4052342

HScode:

2933599090

Categories:

Bulk Drug Intermediates

Characteristics

PSA:

58.2

XLogP3:

-0.6

Appearance:

White Powder

Density:

1.4±0.1 g/cm3

Melting Point:

316 °C

Flash Point:

198.0±26.5 °C

Refractive Index:

1.614

Water Solubility:

soluble in hot water. Slightly soluble in alcohol.

Storage Conditions:

Store at RT.

Collision Cross Section:

121.9 Å² [M+H]+ [CCS Type: DT, Method: single field calibrated with Agilent tune mix (Agilent)]|117.39 Å² [M-H]- [CCS Type: DT, Method: single field calibrated with Agilent tune mix (Agilent)]|126.14 Å² [M+H]+ [CCS Type: DT, Method: stepped-field]|122.42 Å² [M-H]- [CCS Type: DT, Method: stepped-field]|115 Å² [M+H]+ [CCS Type: TW, Method: calibrated with polyalanine]|122.1 Å² [M+H]+ [CCS Type: DT, Method: single field calibrated with ESI Low Concentration Tuning Mix (Agilent)]|119 Å² [M-H]- [CCS Type: DT, Method: single field calibrated with ESI Low Concentration Tuning Mix (Agilent)]|119.5 Å² [M-H]-

See More Thymine Properties 

Hazard Identification

Classification of the substance or mixture

Not classified.

GHS label elements, including precautionary statements

Precautionary statement(s)
Pictogram(s)	No symbol.
Signal word	No signal word
Hazard statement(s)	none
Prevention	none
Response	none
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 Thymine Safety Data Sheet 

Seller Information

Business Type:
Trader

Main Products:
Semaglutide,Tirzepatide,Retatrutide,MOTS-C,TB500,KPV

Location:
708-95, 7th Floor, Building C, Hangchuang International Plaza, No. 239, Shenzhou 4th Road, National Civil Aerospace Industrial Base, Xi'an City, Shaanxi Province

Payment Terms:
TT against copy of documents,D/P,L/C,D/A,O/A,TT against B/L draft before shipment,100% TT in advance

Average lead Time:
10 days

Total Annual Revenue:
$1 million-$2.5 million

Total Employees:
11-50

Year of Establishment:
2025

Company Profile :
Qihang Zhouji Biotechnology is an international trading enterprise specializing in the fields of medicine, health, and fine chemicals. Our main business includes global procurement, sales, and supply chain services for pharmaceutical peptides, food additives, plant extracts, pharmaceutical intermediates, and other products. Our business covers multiple countries and regions in Asia, Europe, North America, South America, and the Middle East.
We rely on a stable high-quality supply chain, strict quality control system, and professional foreign trade operation team to provide compliant, efficient, and stable product supply and one-stop solutions for global pharmaceutical companies, food factories, health product companies, research institutions, and traders. Always adhere to quality as the core, reputation as the foundation, and customer needs as the guide, committed to becoming a professional bridge connecting high-quality resources at home and abroad, and promoting the global coordinated development of the health industry and fine chemical industry.
In the future, we will continue to expand our global market, deepen our product layout, enhance our service capabilities, and work together with global partners to create long-term stable business value.

Inquiry History

1 Inquiries

Country	Product	Purchase Quantity	Date Posted
South Korea	Thymine	1 KG	Feb 20, 2026

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99%CAS NO 65-71-4 Top Quality Thymine Biochemical research, nucleic acid synthesis, pharmaceutical intermediates

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