2090-54-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2090-54-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,0,9 and 0 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 2090-54:
(6*2)+(5*0)+(4*9)+(3*0)+(2*5)+(1*4)=62
62 % 10 = 2
So 2090-54-2 is a valid CAS Registry Number.
2090-54-2Relevant academic research and scientific papers
Inhalation therapy for relieving bronchial spasm using quaternary salts of promethazine
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, (2008/06/13)
The use of quaternary salts of promethazine by the inhalation route is described. The thus administered compositions provide new, non-toxic, potent means for relieving bronchial spasm and bronchoconstriction in warm-blooded animals.
