132813-92-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 132813-92-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,2,8,1 and 3 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 132813-92:
(8*1)+(7*3)+(6*2)+(5*8)+(4*1)+(3*3)+(2*9)+(1*2)=114
114 % 10 = 4
So 132813-92-4 is a valid CAS Registry Number.
132813-92-4Relevant articles and documents
2-Benzopyran-3-ones Stabilised by Alkoxy Substituents
Bradshaw, David P.,Jones, David W.,Tideswell, John
, p. 169 - 173 (2007/10/02)
In contrast to the corresponding compounds lacking alkoxy substituents, the 2-benzopyran-3-ones 5, 6, 7 and 9 are stable and easily isolated.In contrast to the 6-methoxy derivative 7, the 7-methoxy isomer 8 cannot be isolated; the stabilising effect of th
