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852821-15-9

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852821-15-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 852821-15-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,2,8,2 and 1 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 852821-15:
(8*8)+(7*5)+(6*2)+(5*8)+(4*2)+(3*1)+(2*1)+(1*5)=169
169 % 10 = 9
So 852821-15-9 is a valid CAS Registry Number.

852821-15-9Relevant articles and documents

PENTACYCLINE DERIVATIVES FOR THE TREATMENT OF INFECTIONS

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Paragraph 0058; 0140; 0164-0165, (2020/07/02)

The tetracycline class of antibiotics has played a major role in the treatment of infectious diseases for the past 50 years. However, the increased use of the tetracyclines in human and veterinary medicine has led to resistance among many organisms previously susceptible to tetracycline antibiotics. The modular synthesis of tetracyclines and tetracycline analogs described provides an efficient and enantioselective route to a variety of tetracycline analogs and polycyclines previously inaccessible via earlier tetra-cycline syntheses and semi-synthetic methods. These analogs may be used as anti-microbial agents or anti-pro liferative agents in the treatment of diseases of humans or other animals.

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