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High Purity White Crystalline Powder 5-Amino-1,2,4-triazole-3-carboxylic acid | CAS 3641-13-2

High Purity White Crystalline Powder 5-Amino-1,2,4-triazole-3-carboxylic acid | CAS 3641-13-2

  • 5-Amino-1,2,4-triazole-3-carboxylic acid CAS 3641-13-2 is a key pharmaceutical intermediate for Ribavirin, ≥98% purity white crystalline powder. MOQ 500kg, low moisture and stable crystal form for pharmaceutical synthesis.
  • Order(MOQ) :

    500kgs
  • Product Origin :

    China
  • Color :

    White
  • Shipping Port :

    Shanghai, China
  • Lead Time :

    2-3 weeks
  • Weight :

    25kg
  • Cas No. :

    3641-13-2
  • Molecular Formula :

    C₃H₄N₄O₂
  • Appearance :

    white crystalline powder
  • Assay :

    ≥98.0%
  • Application :

    Pharmaceutical intermediate, agrochemical intermediate, corrosion inhibitor, MOF and dye synthesis


Aminoguanidine Hydrochloride
  • 5-Amino-1,2,4-triazole-3-carboxylic acid is a white or off-white crystalline heterocyclic intermediate. The molecule carries both amino group and carboxylic acid group, offering flexible reactive sites for further derivatization. It is a versatile triazole building block widely adopted in fine chemical synthesis.
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Core Advantages

1.Purity ≥98%, moisture ≤0.3%, low impurity, stable crystal form, ideal for pharmaceutical intermediate synthesis of Ribavirin.

 

2. Strict batch testing, every lot comes with full COA test report.

 

3. Factory direct supply, stable long-term supply capacity for pharmaceutical manufacturers.

 

4. Flexible packaging: 25kg woven bag / fiber drum, custom packaging available.

 

5. We provide MSDS and technical data support for your pharmaceutical R&D and registration.

Technical Specifications 

Item Standard
Product Name 5-Amino-1,2,4-triazole-3-carboxylic acid
Alias 3-Amino-1,2,4-triazole-5-carboxylic acid;5-Amino-1H-1,2,4-triazole-3-carboxylic acid
CAS No. 3641-13-2
Molecular Formula C₃H₄N₄O₂
Molecular Weight 128.09
Appearance White or off-white crystalline powder
Melting Point 178-184 °C
Purity ≥98%
Water Content ≤0.3%
 

Key Application Fields

  • 1. Core pharmaceutical intermediate for Ribavirin (Virazole) manufacturing.

 

  • 2. Raw material for synthesis of triazole derivatives in pesticide and fine chemical research.

 

  • 3. Widely used in heterocyclic compound R&D for medical and fine chemistry.

FAQ :

1. What is 5-Amino-1,2,4-triazole-3-carboxylic acid?

It is an off-white / white heterocyclic crystalline intermediate containing amino and carboxyl groups, widely used for fine chemical synthesis.

 

2. What is your standard purity?

Typical ≥98%. Custom purity can be discussed.

 

3. What is molecular formula and molecular weight?

C₃H₄N₄O₂, MW:128.09.

 

4. What is its appearance?

White to off-white crystalline powder.

 

5. What are its main uses?

Pharmaceutical intermediate, agrochemical intermediate, corrosion inhibitor, MOF and dye synthesis.

 

6. Can I get lab sample?

Yes, small samples are available. Sample fee and freight are charged.

 

7. Is sample quality consistent with bulk cargo?

Samples are taken from production batches, same specification as bulk goods.

 

8. Can I get COA and MSDS with sample?

Yes, electronic documents can be provided.

 

9. What is the MOQ?

Contact us for current MOQ.

 

10. What trade terms can you supply?

 FOB, CFR, CIF are optional.

 

11. Payment options?

TT is preferred; LC can be discussed for large orders.

 

12. Any discount for bulk purchase?

Yes, price discount depends on order volume.

 

13. What key physicochemical properties should I notice during handling?

It is a solid triazole intermediate. It is stable under normal conditions, but avoid high temperature, strong acid and strong alkali. It can react with strong acid or strong base.

 

14. What is its melting point?

178–184 °C.

 

15. What personal protection is needed during operation?

Wear safety goggles, chemical resistant gloves and dust mask. Prevent dust inhalation, skin and eye contact.

 

16. What to do for accidental contact?

Eyes: flush with plenty of water for 15 min. Skin: wash with soap and water. Seek medical advice if irritation persists.

 

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