204395-52-8 Usage
General Description
A stable-labled internal standard for quantitation of Clozapine levels in urine, serum, or plasma by LC/MS or GC/MS for clinical toxicology, forensic analysis, and urine drug testing applications. Clozapine, sold as Clozaril? and FazaClo? in the US, is an atypical antipsychotic drug used for treatment of schizophrenia.
Check Digit Verification of cas no
The CAS Registry Mumber 204395-52-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,4,3,9 and 5 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 204395-52:
(8*2)+(7*0)+(6*4)+(5*3)+(4*9)+(3*5)+(2*5)+(1*2)=118
118 % 10 = 8
So 204395-52-8 is a valid CAS Registry Number.