1280541-42-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1280541-42-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,8,0,5,4 and 1 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1280541-42:
(9*1)+(8*2)+(7*8)+(6*0)+(5*5)+(4*4)+(3*1)+(2*4)+(1*2)=135
135 % 10 = 5
So 1280541-42-5 is a valid CAS Registry Number.
1280541-42-5Relevant articles and documents
PROCESS FOR RESOLUTION OF 1-(3-HYDROXYPHENYL)-2-METHYLAMINO ETHANOL
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Page/Page column 4, (2012/05/07)
Resolution of the title compound to its active isomer (R)-1-(3-hydroxyphenyl)-2-methylamino ethanol with (R)-naproxen as a resolving agent.