183743-19-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 183743-19-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,3,7,4 and 3 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 183743-19:
(8*1)+(7*8)+(6*3)+(5*7)+(4*4)+(3*3)+(2*1)+(1*9)=153
153 % 10 = 3
So 183743-19-3 is a valid CAS Registry Number.
183743-19-3Relevant articles and documents
Preparation method of taxane compound and intermediate of taxane compound
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, (2017/08/29)
The invention provides a preparation method of a taxane compound and an intermediate of the taxane compound. The preparation method of a TPI-287 intermediate A starts with a starting step of a raw material 10-deacetylbaccatin III (also named as 10-DAB), a