943239-56-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 943239-56-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,4,3,2,3 and 9 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 943239-56:
(8*9)+(7*4)+(6*3)+(5*2)+(4*3)+(3*9)+(2*5)+(1*6)=183
183 % 10 = 3
So 943239-56-3 is a valid CAS Registry Number.
943239-56-3Relevant 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