134531-77-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 134531-77-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,4,5,3 and 1 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 134531-77:
(8*1)+(7*3)+(6*4)+(5*5)+(4*3)+(3*1)+(2*7)+(1*7)=114
114 % 10 = 4
So 134531-77-4 is a valid CAS Registry Number.
134531-77-4Relevant academic research and scientific papers
Naphthyridine derivatives
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, (2008/06/13)
Substituted naphthyridines of the formula (1): STR1 wherein one of A, B, C, or D is N, and the others are CR1 ; R1 and R2 are independently H or halo. X, Y and Z are defined in the specification.
