33530-72-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 33530-72-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,3,5,3 and 0 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 33530-72:
(7*3)+(6*3)+(5*5)+(4*3)+(3*0)+(2*7)+(1*2)=92
92 % 10 = 2
So 33530-72-2 is a valid CAS Registry Number.
33530-72-2Relevant articles and documents
TOTAL SYNTHESIS OF ROTHIN-A AND ROTHIN-B
Carda, Miguel,Arno, Manuel,Marco, J. Alberto
, p. 3655 - 3662 (2007/10/02)
The eudesmanolides rothin-A 1 and rothin-B 2 have been synthesized from (-)-artemisin in 7 and 9 steps, respectively.