6938-30-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 6938-30-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,9,3 and 8 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 6938-30:
(6*6)+(5*9)+(4*3)+(3*8)+(2*3)+(1*0)=123
123 % 10 = 3
So 6938-30-3 is a valid CAS Registry Number.
InChI:InChI=1/C15H11N3O7/c1-8-9(2)14(19)4-3-13(8)16-25-15(20)10-5-11(17(21)22)7-12(6-10)18(23)24/h3-7H,1-2H3
6938-30-3Relevant articles and documents
Zinc promoted mild and efficient method for the esterification of acid chlorides with alcohols
Yadav,Reddy, Gondi Sudershan,Srinivas, Dale,Himabindu, Konuru
, p. 2337 - 2342 (2007/10/03)
The esterification of variety of acid chlorides with alcohols in the presence of zinc is described. The easy formation of t-butyl and pivaloyl esters are the additional importance of this procedure.