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Chemical Substance identifier CAS NO

2024-02-23 16:37:53

Chemical substances can be described by many different methods, such as molecular formula, structure diagram, system name, etc. CAS number is a universal chemical substance identification symbol. The database of Chemical Abstract Service (CAS) is maintained by the Chemical Abstract Service (CAS), a subsidiary organization of the American Chemical Society. It is the most authoritative collection of chemical information in the scientific literature from 1957 to the present. In today's trade informatization and globalization, CAS number plays an important role in the identification of chemical substances. 

Each listed chemical substance is assigned a unique CAS Registry Number (CAS RN), which is the identification number of the authority of the chemical substance. The CAS number of the substance is a digital identifier that can contain up to 10 digits and is divided into three parts by hyphens. The rightmost number is the checksum number, which is used to verify the validity and uniqueness of the entire CAS number. Since the CAS number is unique, it only targets one substance. As a result, the common criteria used to identify chemical substances are relied upon by scientists, industry, and regulatory agencies who need authoritative information.

Anhui Newman Fine Chemical Co., LTD., as the top leading manufacturer of Carbomer and acrylates copolymer, the name of our series of products carbomer has the corresponding CAS NO, such as NM-Carbomer 981, 941,960, 990, 934 with CAS NO. 9003-01-4.

Acylates copolymer NM-Carbomer SF-1 have CAS No.: 25035-69-2 and 25212-88-8, PVPK30, K90 polyvinyl pyrrolidone with CAS number 9003-39-8.

Like INCI names, CAS numbers are names that are based on the composition of the chemical substance, not on the purity or molecular weight grade. In some cases, different levels or types of the same component may have the same CAS number. Despite having the same CAS number, they may cover products with different attributes or physical characteristics, so they should not be assumed to be interchangeable.

For example, NM-Carbomer 971P, 934P, and 970G with the same CAS number of 9003-01-4 have great similarities and differences in product performance.

Similarities

All these carbomer as excipients are used in a wide range of applications including health care products, semisolid and liquid formulations, oral care products. Meeting the requirements of major pharmacopoeia such as Chinese Pharmacopoeia 2020, US Pharmacopoeia USP/NF, European Pharmacopoeia EP, British Pharmacopoeia BP and other relevant regulations.

Benefits of NM-Carbomers such as 971P ,934p and 980G application for oral care products

 

• Highly efficient thickeners, co-binders in combination with cellulosic polymers, and/or binders, enabling excellent formulation characteristics at low usage levels.

• The preferred thickener for anhydrous compositions

• Excellent mucoadhesive polymers, which protect and lubricate the mucosa as well as allow for prolonged active and flavor retention.

• Ideal for enabling formulations that exhibit reduced stringiness, a significant advantage when using high-speed tube-filling machines.

• Optimal for providing enhanced aesthetics, such as toothpaste ribbon stand-up and high clarity gels

• Compliant with global pharmacopeia and regulatory requirements and possess a long history of product quality, safety, reproducibility, and supply chain security

• Compatible with common formulation ingredients

• Stabilization of peroxide gel systems

• Cold processable

Differences

Based on the different crosslinking degree and molecular weight, there are different viscosities. NM-Carbomer 971P is homopolymer type A with viscosity 4~11Pa ·s, NM-Carbomer 934P is homopolymer type B with viscosity 25~45Pa ·s, and NM-Carbomer 970G is homopolymer type C with viscosity 40~60Pa ·s.

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