87744-29-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 87744-29-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,7,4 and 4 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 87744-29:
(7*8)+(6*7)+(5*7)+(4*4)+(3*4)+(2*2)+(1*9)=174
174 % 10 = 4
So 87744-29-4 is a valid CAS Registry Number.
87744-29-4Relevant academic research and scientific papers
The Addition of Amines to 3-Bromochromone And 6-Bromoflurochromone. An unexpected Ring Contraction of the Pyrone Ring.
Gammill, R. B.,Nash, S. A.,Mizsak, S. A.
, p. 3435 - 3438 (2007/10/02)
Addition of amines to 3-bromochromone and 6-bromofurochromone results in a novel ring contraction of the pyrone ring.
