194663-22-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 194663-22-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,4,6,6 and 3 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 194663-22:
(8*1)+(7*9)+(6*4)+(5*6)+(4*6)+(3*3)+(2*2)+(1*2)=164
164 % 10 = 4
So 194663-22-4 is a valid CAS Registry Number.
194663-22-4Relevant academic research and scientific papers
Syntheses of acyclic analogs of didemnin B
Ramanjulu, Joshi M.,Joullie, Madeleine M.,Li, Wen-Ren
, p. 3259 - 3272 (2007/10/03)
The syntheses of three modified peptide fragments of the cyclodepsipeptide didemnin B are reported. The HIP and isostatine (Ist) units of the didemnin B macrocycle were simplified to a Z-alanine residue and the ester linkage (through threonine of the tetr
