172481-83-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 172481-83-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,2,4,8 and 1 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 172481-83:
(8*1)+(7*7)+(6*2)+(5*4)+(4*8)+(3*1)+(2*8)+(1*3)=143
143 % 10 = 3
So 172481-83-3 is a valid CAS Registry Number.
172481-83-3Relevant articles and documents
PROCESS FOR PREPARING 4-ALKYL-OR 4-ARYL-OXYCARBONYL PACLITAXEL ANALOGS AND NOVEL INTERMEDIATES
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Page/Page column 31-32, (2010/02/10)
A process is provided for preparing 4-alkyl- or 4-aryl-oxycarbonyl paclitaxel analogs which includes the steps of converting paclitaxel into a C-7 acylprotected paclitaxel employing an electrophilic protecting group, such as benzoyloxycarbonyl, and conver
