137998-03-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 137998-03-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,9,9 and 8 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 137998-03:
(8*1)+(7*3)+(6*7)+(5*9)+(4*9)+(3*8)+(2*0)+(1*3)=179
179 % 10 = 9
So 137998-03-9 is a valid CAS Registry Number.
137998-03-9Relevant academic research and scientific papers
Disazo compounds containing long-chain alkyl ester radicals or alkylamide radicals
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, (2008/06/13)
Compounds of the formula I STR1 in which R is a radical of the formula --OR5 or --NHR5, A is a radical of the formula II or III STR2 in which B is a radical of the formula STR3 in which n is the number 1 or 2, R1 and Rsub
