219606-73-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 219606-73-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,9,6,0 and 6 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 219606-73:
(8*2)+(7*1)+(6*9)+(5*6)+(4*0)+(3*6)+(2*7)+(1*3)=142
142 % 10 = 2
So 219606-73-2 is a valid CAS Registry Number.
219606-73-2Relevant articles and documents
A concise synthesis of the cytotoxic depsipeptide arenastatin A
White, James D.,Hong, Jian,Robarge, Lonnie A.
, p. 8779 - 8782 (1998)
Arenastatin A (1, cryptophycin 24) was synthesized by convergence of hydroxy ester 16 with amino acid derivative 27; two independent and highly efficient routes to 16 are disclosed.