439691-81-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 439691-81-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,3,9,6,9 and 1 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 439691-81:
(8*4)+(7*3)+(6*9)+(5*6)+(4*9)+(3*1)+(2*8)+(1*1)=193
193 % 10 = 3
So 439691-81-3 is a valid CAS Registry Number.
439691-81-3Relevant articles and documents
COMPOUNDS HAVING MUSCARINIC RECEPTOR ANTAGONIST AND BETA2 ADRENERGIC RECEPTOR AGONIST ACTIVITY
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Paragraph 0387-0389, (2014/06/24)
Compounds of formula (I) defined herein act both as muscarinic receptor antagonists and beta2 adrenergic receptor agonists and are useful for the prevention and/or treatment of broncho-obstructive or inflammatory diseases.