205648-20-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 205648-20-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,5,6,4 and 8 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 205648-20:
(8*2)+(7*0)+(6*5)+(5*6)+(4*4)+(3*8)+(2*2)+(1*0)=120
120 % 10 = 0
So 205648-20-0 is a valid CAS Registry Number.
205648-20-0Relevant articles and documents
Total synthesis of the thiopeptide promothiocin A
Bagley, Mark C.,Bashford, Katherine E.,Hesketh, Claire L.,Moody, Christopher J.
, p. 3301 - 3313 (2000)
The thiopeptide (or thiostrepton) antibiotics are a class of sulfur-containing highly modified cyclic peptides with interesting biological activity. Described herein is the total synthesis of the thiopeptide antibiotic promothiocin A, which utilizes a mod