169897-23-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 169897-23-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,9,8,9 and 7 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 169897-23:
(8*1)+(7*6)+(6*9)+(5*8)+(4*9)+(3*7)+(2*2)+(1*3)=208
208 % 10 = 8
So 169897-23-8 is a valid CAS Registry Number.
169897-23-8Relevant 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 (2007/10/03)
An efficient stereocontrolled synthesis of a taxol A-ring synthon using two aldol reactions as key steps is presented.
