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Fecal Streptococci are a group of bacteria that are commonly found in the intestines of humans and animals. They are used as indicator organisms to assess the fecal contamination in water bodies, as their presence suggests the possible presence of pathogenic microorganisms. These bacteria are part of the normal gut flora and are not typically harmful to their host. However, when they are found in water sources, it indicates that the water may be contaminated with fecal matter, which can carry various diseases. Monitoring the levels of Fecal Streptococci in water is crucial for public health and environmental safety, as it helps to identify potential sources of contamination and guide water treatment processes.

11-23-4

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11-23-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 11-23-4 includes 5 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 2 digits, 1 and 1 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 11-23:
(4*1)+(3*1)+(2*2)+(1*3)=14
14 % 10 = 4
So 11-23-4 is a valid CAS Registry Number.

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