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Cellulose pentaacetate (CPA) is a chemical compound derived from cellulose, a natural polymer found in plant cell walls. It is formed by the acetylation of cellulose, where five hydroxyl groups in each cellulose molecule are replaced with acetyl groups. This process results in a water-insoluble, thermoplastic polymer with unique properties such as increased stability, resistance to degradation, and improved solubility in organic solvents. CPA is widely used in various applications, including the production of films, fibers, and coatings, as well as in the pharmaceutical industry for controlled drug release and as a component in the manufacturing of certain types of filters and explosives. Its versatility and biocompatibility make it a valuable material in the field of materials science and chemical engineering.

9012-07-1

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9012-07-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 9012-07-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 9,0,1 and 2 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 9012-07:
(6*9)+(5*0)+(4*1)+(3*2)+(2*0)+(1*7)=71
71 % 10 = 1
So 9012-07-1 is a valid CAS Registry Number.

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