1444-11-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1444-11-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,4,4 and 4 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1444-11:
(6*1)+(5*4)+(4*4)+(3*4)+(2*1)+(1*1)=57
57 % 10 = 7
So 1444-11-7 is a valid CAS Registry Number.
1444-11-7Relevant articles and documents
Rearrangement and degradation of 3a,7a-dihydroindole esters
Lee, Do-Hun
, p. 185 - 188 (2016/01/20)
The purpose of this paper is to report that pyrroles 1a-c also gave the 1:2 adducts 3a-c when refluxed with dimethyl acetylene dicarboxylate in ether (or ether with AlCl3) and rearrangement and degradation of 3a,7a-dihydroindole esters 3a-c as