157495-29-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 157495-29-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,7,4,9 and 5 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 157495-29:
(8*1)+(7*5)+(6*7)+(5*4)+(4*9)+(3*5)+(2*2)+(1*9)=169
169 % 10 = 9
So 157495-29-9 is a valid CAS Registry Number.
157495-29-9Relevant academic research and scientific papers
Allenes from 3-Bromo-2H-1-benzopyrans
Gabbutt, Christopher D.,Hepworth, John D.,Heron, B. Mark,Rahman, M.. Moshfiqur
, p. 1733 - 1738 (2007/10/02)
The anionic cleavage of 2H-1-benzopyrans results in the formation of allenes.
