118335-81-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 118335-81-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,8,3,3 and 5 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 118335-81:
(8*1)+(7*1)+(6*8)+(5*3)+(4*3)+(3*5)+(2*8)+(1*1)=122
122 % 10 = 2
So 118335-81-2 is a valid CAS Registry Number.
118335-81-2Relevant articles and documents
Amino Acids, 14. - Diastereoselective Addition of Benzenesulfenyl Chloride to 1-Acryloylproline Esters
Effenberger, Franz,Isak, Heinz
, p. 545 - 552 (2007/10/02)
(S)-Proline esters (S)-1 react with acryloyl chloride (2) to give 1-acryloylproline esters (S)-3 in good yields.Addition of benzenesulfenyl chloride (6) to (S)-3 at -95 deg C in dichloromethane results in 1-proline esters
