1225275-18-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1225275-18-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,5,2,7 and 5 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1225275-18:
(9*1)+(8*2)+(7*2)+(6*5)+(5*2)+(4*7)+(3*5)+(2*1)+(1*8)=132
132 % 10 = 2
So 1225275-18-2 is a valid CAS Registry Number.
1225275-18-2Relevant articles and documents
Process for Resolving Zopiclone
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Page/Page column 3-4, (2011/10/13)
The present invention provides a process for the preparation of the dextrorotatory isomer of zopiclone (eszopiclone). The present invention also provides eszopiclone di-p-anisolyl-L-tartrate and eszopiclone diacetyl-L-tartrate, which are useful as interme
