135347-23-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 135347-23-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,5,3,4 and 7 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 135347-23:
(8*1)+(7*3)+(6*5)+(5*3)+(4*4)+(3*7)+(2*2)+(1*3)=118
118 % 10 = 8
So 135347-23-8 is a valid CAS Registry Number.
135347-23-8Relevant articles and documents
Stereoselective synthesis of non-proteinogenic amino acids
Bowler, Andrew N.,Doyle, Paul M.,Hitchcock, Peter B.,Young, Douglas W.
, p. 10545 - 10554 (1997)
The lactam enolate of the protected pyroglutamic acid ester (1) has been shown to react with activated imines to yield optically pure derivatives of non-proteinogenic amino acids.