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6-Hydroxy-naphthalene-2-sulfonic acid anilide is a chemical compound with the molecular formula C16H13NO4S. It is derived from the parent compound 6-hydroxy-naphthalene-2-sulfonic acid, which is a sulfonic acid derivative of naphthalene. The addition of an anilide group (-NHPh) to the molecule results in the formation of this specific chemical. 6-hydroxy-naphthalene-2-sulfonic acid anilide is known for its potential applications in the synthesis of dyes and pigments, as well as in various chemical research and industrial processes. Due to its complex structure and functional groups, it exhibits unique chemical properties that can be exploited in different areas of chemistry and material science.

7709-03-7

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7709-03-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 7709-03-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,7,0 and 9 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 7709-03:
(6*7)+(5*7)+(4*0)+(3*9)+(2*0)+(1*3)=107
107 % 10 = 7
So 7709-03-7 is a valid CAS Registry Number.

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