616234-25-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 616234-25-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,1,6,2,3 and 4 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 616234-25:
(8*6)+(7*1)+(6*6)+(5*2)+(4*3)+(3*4)+(2*2)+(1*5)=134
134 % 10 = 4
So 616234-25-4 is a valid CAS Registry Number.
616234-25-4Relevant articles and documents
Synthesis of monocyclic and bicyclic imino sugars
Kummeter, Markus,Kazmaier
, p. 3330 - 3334 (2007/10/03)
A diastereoselective aldol reaction between the chelated alanine ester enolate 5 and the protected threose derivative 6, followed by cyclization under Mitsunobu conditions, gave the pipecolinic acid derivative 9. This compound could easily be converted in