21999-19-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 21999-19-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,9,9 and 9 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 21999-19:
(7*2)+(6*1)+(5*9)+(4*9)+(3*9)+(2*1)+(1*9)=139
139 % 10 = 9
So 21999-19-9 is a valid CAS Registry Number.
21999-19-9Relevant articles and documents
ARYLMETHYLENE HETEROCYCLIC COMPOUNDS AS KV1.3 POTASSIUM SHAKER CHANNEL BLOCKERS
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Paragraph 0319-0320, (2021/04/17)
A compound of Formula I ( I ), or a pharmaceutically acceptable salt thereof, is described, wherein the substituents are as defined herein. Pharmaceutical compositions comprising the same and method of using the same are also described.
