171019-90-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 171019-90-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,1,0,1 and 9 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 171019-90:
(8*1)+(7*7)+(6*1)+(5*0)+(4*1)+(3*9)+(2*9)+(1*0)=112
112 % 10 = 2
So 171019-90-2 is a valid CAS Registry Number.
171019-90-2Relevant articles and documents
Synthesis of a Structural Analog of Ptilomycalin A
Grillot, Anne-Laure,Hart, David J.
, p. 11377 - 11392 (2007/10/02)
Ptilomycalin A analog 2 was prepared by coupling amido alcohol 9 with guanidinium carboxylate 31.The synthesis of 2 requires 13 steps via a longest linear sequence from acrylate 22.