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1604816-54-7

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1604816-54-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1604816-54-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,0,4,8,1 and 6 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1604816-54:
(9*1)+(8*6)+(7*0)+(6*4)+(5*8)+(4*1)+(3*6)+(2*5)+(1*4)=157
157 % 10 = 7
So 1604816-54-7 is a valid CAS Registry Number.

1604816-54-7Downstream Products

1604816-54-7Relevant articles and documents

NEW PFOS ALTERNATIVES AND PREPARING METHOD THEREOF

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Paragraph 0046; 0084; 0085; 0137; 0138, (2016/10/10)

The present invention relates to a novel sulfonic acid derivative substituting for perfluorooctanesulfonic acid (PFOS) and synthesis thereof. The sulfonic acid derivative is denoted by chemical formula (1). In the chemical formula (1), R^f is a formula, X is an independent hydrogen atom or fluorine, n is integer between 0 and 3, and R is a metal atom, ammonium, or alkyl-ammonium. The sulfonic acid derivative has proper and good activities such as a significant biodegradability and surfactant in terms of environment, public health and industry.COPYRIGHT KIPO 2015

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