250331-53-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 250331-53-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,0,3,3 and 1 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 250331-53:
(8*2)+(7*5)+(6*0)+(5*3)+(4*3)+(3*1)+(2*5)+(1*3)=94
94 % 10 = 4
So 250331-53-4 is a valid CAS Registry Number.
250331-53-4Relevant articles and documents
Methods of using low-dose doxepin for the improvement of sleep
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Page/Page column 11-12, (2008/06/13)
Methods of preventing early awakenings, and improving sleep efficiency in hours 7 and 8 of a period of sleep, by administration of low doses of doxepin (e.g., 1-6 mg).