134419-23-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 134419-23-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,4,4,1 and 9 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 134419-23:
(8*1)+(7*3)+(6*4)+(5*4)+(4*1)+(3*9)+(2*2)+(1*3)=111
111 % 10 = 1
So 134419-23-1 is a valid CAS Registry Number.
134419-23-1Relevant articles and documents
Structure and Synthesis of a New Bromoindole from a Marine Sponge
Dellar, Gregory,Djura, Peter,Sargent, Melvyn V.
, p. 1679 - 1680 (2007/10/02)
The isolation of methyl (E)-3-(6-bromoindol-3-yl)prop-2-enoate (5) from a sponge of the genus Iotrochota is described; its structure, (5), was confirmed by synthesis.