540770-27-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 540770-27-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,4,0,7,7 and 0 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 540770-27:
(8*5)+(7*4)+(6*0)+(5*7)+(4*7)+(3*0)+(2*2)+(1*7)=142
142 % 10 = 2
So 540770-27-2 is a valid CAS Registry Number.
540770-27-2Relevant articles and documents
Stereoselective synthesis of pseudopeptide microbial agent AI-77-B.
Ghosh,Bischoff,Cappiello
, p. 2677 - 2680 (2001)
[structure: see text]. An efficient and highly stereoselective synthesis of the gastroprotective natural product AI-77-B is described. The stereocenters of the hydroxy amino acid moiety were generated by an ester-derived titanium-enolate-mediated syn-aldo