56344-55-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 56344-55-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,6,3,4 and 4 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 56344-55:
(7*5)+(6*6)+(5*3)+(4*4)+(3*4)+(2*5)+(1*5)=129
129 % 10 = 9
So 56344-55-9 is a valid CAS Registry Number.
56344-55-9Relevant articles and documents
Synthesis of 7-Unsubstituted 7H-Pyrrolopyrimidines
Pichler, Herbert,Folkers, Gerd,Roth, Hermann J.,Eger, Kurt
, p. 1485 - 1505 (2007/10/02)
The title compounds 4 are obtained by N-7 dealkylation of the 2-furanylmethyl, 2-thiophenylmethyl, or 1-phenylethyl group from 2a-g and 10 a-j with polyphosphoric acid.In contrast to the 2-furanylmethyl group the 2-thiophenylmethyl and 1-phenylethyl group
