66315-03-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 66315-03-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,6,3,1 and 5 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 66315-03:
(7*6)+(6*6)+(5*3)+(4*1)+(3*5)+(2*0)+(1*3)=115
115 % 10 = 5
So 66315-03-5 is a valid CAS Registry Number.
66315-03-5Relevant articles and documents
PROCESS FOR THE PREPARATION OF PYRIDO [2,1-a] ISOQUINOLINE DERIVATIVES COMPRISING OPTICAL RESOLUTION OF AN ENAMINE
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Page/Page column 8, (2008/06/13)
This invention relates to a process for the preparation of pyrido[2,1-a]isoquinoline derivatives of the formula wherein R1, R2, R3 and R4 are defined in the specification, comprising the optical resolution of an