112819-61-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 112819-61-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,2,8,1 and 9 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 112819-61:
(8*1)+(7*1)+(6*2)+(5*8)+(4*1)+(3*9)+(2*6)+(1*1)=111
111 % 10 = 1
So 112819-61-1 is a valid CAS Registry Number.
112819-61-1Relevant articles and documents
Squaraines based on 2-arylpyrroles
Bonnett, Raymond,Motevalli, Majid,Siu, Jason
, p. 8913 - 8918 (2004)
Various derivatives of 2-phenylpyrrole were condensed with squaric acid to give the corresponding squaraines. The products are drawn with the anti geometry rather than the syn geometry generally shown in the past: the arguments for this formulation are gi
