157401-61-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 157401-61-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,7,4,0 and 1 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 157401-61:
(8*1)+(7*5)+(6*7)+(5*4)+(4*0)+(3*1)+(2*6)+(1*1)=121
121 % 10 = 1
So 157401-61-1 is a valid CAS Registry Number.
157401-61-1Relevant articles and documents
A Short Stereoselective Synthesis of cis- and trans-4-Hydroxy-L-proline
Mehlfuehrer, Michaela,Berner, Heinz,Thirring, Klaus
, p. 1291 - 1292 (1994)
A concise three-step synthesis of cis- and trans-4-hydroxy-L-proline on a preparative scale has been carried out using readily available starting materials.