215544-73-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 215544-73-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,5,5,4 and 4 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 215544-73:
(8*2)+(7*1)+(6*5)+(5*5)+(4*4)+(3*4)+(2*7)+(1*3)=123
123 % 10 = 3
So 215544-73-3 is a valid CAS Registry Number.
215544-73-3Relevant articles and documents
A new efficient synthesis of taxol A-ring synthon via two aldol condensations
Wei, Chang-Qing,Jiang, Xiang-Rong,Ding, Yu
, p. 12623 - 12630 (1998)
An efficient stereocontrolled synthesis of a taxol A-ring synthon using two aldol reactions as key steps is presented.
