943448-06-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 943448-06-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,4,3,4,4 and 8 respectively; the second part has 2 digits, 0 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 943448-06:
(8*9)+(7*4)+(6*3)+(5*4)+(4*4)+(3*8)+(2*0)+(1*6)=184
184 % 10 = 4
So 943448-06-4 is a valid CAS Registry Number.
943448-06-4Relevant articles and documents
An Approach to the Synthesis of Stenine
Zhu, Liang,Lauchli, Ryan,Loo, Mandy,Shea, Kenneth J.
, p. 2269 - 2271 (2008/02/05)
A type 2 N-acylnitroso intramolecular Diels-Alder reaction followed by reductive N - O bond cleavage formed the B and C rings of the Stemona alkaloid stenine. Further elaboration provided the functionalized tricyclic core.