935253-19-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 935253-19-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,3,5,2,5 and 3 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 935253-19:
(8*9)+(7*3)+(6*5)+(5*2)+(4*5)+(3*3)+(2*1)+(1*9)=173
173 % 10 = 3
So 935253-19-3 is a valid CAS Registry Number.
935253-19-3Relevant articles and documents
QUETIAPINE HEMIFUMARATE PURIFICATION BY CRYSTALLIZATION
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Page/Page column 6-7, (2008/06/13)
ABSTRACT The present invention relates to a process for preparing and purifying crystalline quetiapine hemifumarate, which comprises preparing crystalline quetiapine hemifumarate via a crystalline salt, which is not a salt of fumaric acid.