219920-81-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 219920-81-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,9,9,2 and 0 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 219920-81:
(8*2)+(7*1)+(6*9)+(5*9)+(4*2)+(3*0)+(2*8)+(1*1)=147
147 % 10 = 7
So 219920-81-7 is a valid CAS Registry Number.
219920-81-7Relevant articles and documents
Compound useful in the treatment or prevention of cognitive disorders associated with diabetes and associated methods
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Page/Page column 4; 5, (2008/06/13)
Described is the efficient synthesis of an easy to manipulate and utilize, soluble tartrate salt of a potent, reversible butyrylcholinesterase inhibitor, (?)-(3aS)-3a-methyl-1,2,3,3a,8,8a-hexahydropyrrolo-[2,3-b]indol-5-yl N—4′-isopropylphenylcarbamate (“