199527-52-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 199527-52-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,9,5,2 and 7 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 199527-52:
(8*1)+(7*9)+(6*9)+(5*5)+(4*2)+(3*7)+(2*5)+(1*2)=191
191 % 10 = 1
So 199527-52-1 is a valid CAS Registry Number.
199527-52-1Relevant academic research and scientific papers
The preparation of L-(2S,3S)-4,4,4-[2H3] valine
Shattuck, James C.,Meinwald, Jerrold
, p. 8461 - 8464 (2007/10/03)
Isotopically labeled amino acids are important for protein structure determination and in biosynthetic studies. We report now on the synthesis of(2S,3S)-4,4,4-[2H3] valine (9) using a short, versatile, enzyme-free procedure. The deut