87574-21-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 87574-21-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,5,7 and 4 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 87574-21:
(7*8)+(6*7)+(5*5)+(4*7)+(3*4)+(2*2)+(1*1)=168
168 % 10 = 8
So 87574-21-8 is a valid CAS Registry Number.
87574-21-8Relevant articles and documents
Novel Rearrangements of N-Arylpyrrolyl Sulphides (1)
Cheeseman, G. W. H.,Hawi, A. A.
, p. 591 - 594 (2007/10/02)
Base treatment of the pyrrolylthioacetate 2 and the pyrrolylthiocetonitrile 4 unexpectedly yielded a pyrrolothiazole 6 and 2-(α-cyano-2-nitrobenzyl)thiopyrrole (7), respectively.