118878-40-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 118878-40-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,8,8,7 and 8 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 118878-40:
(8*1)+(7*1)+(6*8)+(5*8)+(4*7)+(3*8)+(2*4)+(1*0)=163
163 % 10 = 3
So 118878-40-3 is a valid CAS Registry Number.
118878-40-3Relevant articles and documents
1,2-ADDITION OF α-AMINO ACID DERIVATIVES TO CONJUGATED ALDEHYDES: SYNTHESIS OF β-SUBSTITUTED SERINES
Dikshit, Dinesh K.,Singh, Sangeeta
, p. 3109 - 3110 (2007/10/02)
Reaction of C,N-dianions of N-acyl α-amino acid esters with conjugated aldehydes at -78 deg C give threo and erythro-β-substituted serine derivates in excellent yields.