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1334547-23-7

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1334547-23-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1334547-23-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,3,4,5,4 and 7 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1334547-23:
(9*1)+(8*3)+(7*3)+(6*4)+(5*5)+(4*4)+(3*7)+(2*2)+(1*3)=147
147 % 10 = 7
So 1334547-23-7 is a valid CAS Registry Number.

1334547-23-7Relevant articles and documents

Pyridine and Pyrazine derivative for the Treatment of CF, COPD, and Bronchiectasis

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, (2020/12/18)

The present invention provides pyridine and pyrazine derivatives which restore or enhance the function of mutant and/or wild type CFTR to treat bronchiectasis, cystic fibrosis, primary ciliary dyskinesia, chronic bronchitis, chronic obstructive pulmonary disease, asthma, respiratory tract infections, lung carcinoma, xerostomia and keratoconjunctivitis sire, or constipation (IBS, IBD, opioid induced). Pharmaceutical compositions comprising such derivatives are also encompassed.

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