24993-21-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 24993-21-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,4,9,9 and 3 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 24993-21:
(7*2)+(6*4)+(5*9)+(4*9)+(3*3)+(2*2)+(1*1)=133
133 % 10 = 3
So 24993-21-3 is a valid CAS Registry Number.
24993-21-3Relevant articles and documents
Constituents of Clausena anisata (Willd.) Oliv. (Rutaceae), IV- Synthesis of Mupamine
Mester, Iuliu,Choudhury, Manash Kumar,Reisch, Johannes
, p. 241 - 245 (2007/10/02)
This contribution reports on the synthesis of mupamine (6), a pyranocarbazole alkaloid from the root bark of Clausena anisata.
