L(+)-Tartaric acid


Carbazochrome paramete

CAS No.: 69-81-8
MF: C10H12N4O3
Type: Pharmaceutical Intermediates
Brand Name: Lookchemical
Application: pharmaceutical
Melting point: 203° (dec)
pka: 12.38±0.40(Predicted)
Other Names: Carbazochrome
EINECS No.: 200-717-0
Purity: 99%
Model Number: QSJ69818
Appearance: red powder
Density: 1.63±0.1 g/cm3(Predicted)


Items Specification
Appearance Yellow-red crystal or crystalline powder
Identification Meets the requirements
Melting Point 222°C
Absorbance 1054 ~ 1130
Heavy Metals ≤30ppm
Iron ≤60ppm
Chloride ≤0.041%
Arsenic ≤2ppm
Loss on Drying ≤1.0%
Redidue on Ignition ≤0.1%
Assay ≥98.0%
Standard JPC1997

+86 1531 9977 560


1.Hemostatic. It is used for persistent purpura, hereditary capillary dilatation and prevention of bleeding in lung, kidney, intestine, brain and uterus.

2.This product can reduce the permeability of capillaries, promote the damaged capillaries end retraction and hemostasis. It is mainly used for bleeding caused by increased capillary permeability, such as idiopathic purpura, retinal hemorrhage, chronic pulmonary hemorrhage, gastrointestinal hemorrhage, nosebleed Chemicalbook, hemoptysis, hemorrhoid hemorrhage, uterine bleeding, cerebral hemorrhage, etc. It has poor curative effect on massive hemorrhage and arterial hemorrhage. Hemostatic, used for persistent purpura, hereditary capillary dilatation and to prevent bleeding of lung, kidney, intestine, brain, uterus, etc.

Product service

1. Certificate Of Analysis (COA)

2. Material Safety Data Sheet (MSDS)

3. Route of synthesis (ROS)

4. Method of Aanlysis (MOA)

5. Nuclear Magnetic Resonance (NMR)

6. Packing pictures and loading video before loading

7. Free Sample

8. Factory audit


Pre-Sales Service

* Prompt reply and 24 hours online, professional team to provide best price and high quality product.

* Sample testing support.

* Every batch of products will be tested to ensureits quality.

*The packing also can be according the customers` requirment.

*Any inquiries will be replied within 24 hours.

*we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate. If your markets have any special requirements, let us know.

After-Sales Service

*The fact of logistics information monitoring.

* Any questions about the product can be consulted at any time.

*Product has any problem can return.


Q1: Do you accept sample order?
A:  We will make samples before mass production, and after sample approved, we'll begin mass production. Doing 100% inspection during production, then do random inspection before packing.
Q2:  What is our advantage?
A : The series of natural extracted product are all self-developed, produced and tested. Mature production technology, strict cost control, and perfect quality assurance system, ensure the product stability and competitive price.
Q3: What’s your MOQ?
A :  Our MOQ is 1kg. But usually we accept less quantity such as 100g on the condition that sample charge is 100% paid.
Q4: Do you supply product report?
A : Yes. We'll give you product analysis report before shipping.
 Q5: Is there a discount?
A :  Different quantity has different discount.
Q6: Can we visit your factory?
A :  Yes. Welcome to visit.
Q7: How to confirm the Product Quality before placing orders?
A :  You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples. You can send us your product specifications and requests,we will manufacture the products according to your requests.




1. ≤50kg, Express delivery recommended, usually called as DDU service;

2. ≤500kg, Air shipping recommended, usually called as FOB, CFR, or CIF service;

3. >500kg, sea shipping recommended, usually called as FOB, CFR, or CIF service;

4. For high value products, please select air shipping and express delivery for safe.



Packing can be conducted according to customers' requirements.

Delivery detail

   [Delivery] 5 working days after payment.

Carbazochrome picture

Packaging and shipping

Honor Certificate

Professional team