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39140-91-5

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39140-91-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 39140-91-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,9,1,4 and 0 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 39140-91:
(7*3)+(6*9)+(5*1)+(4*4)+(3*0)+(2*9)+(1*1)=115
115 % 10 = 5
So 39140-91-5 is a valid CAS Registry Number.

39140-91-5Relevant articles and documents

Design and synthesis of some new theophylline derivatives with bronchodilator and antibacterial activities

Hayallah, Alaa M.,Elgaher, Walid A.,Salem, Ola I.,Abdel Alim, Abdel Alim M.

experimental part, p. 3 - 21 (2012/02/02)

Methylxanthines especially theophylline have been recognized as potent bronchodilators for the relief of acute asthma for over 65 years. Recently, it was found that bacterial infection plays a role in asthma pathogenesis. Accordingly, the present work inv

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