6997-79-1 Usage
General Description
"N/a" stands for "not applicable" and is commonly used as a placeholder for data that is not available or relevant in a particular context. In the context of chemicals, "n/a" could refer to a variety of situations, such as the absence of a specific chemical in a product, the lack of data on a particular chemical, or the irrelevance of a certain chemical to a specific process or analysis. Therefore, "n/a" in the context of chemicals simply indicates that the information or substance in question is not applicable to the given scenario.
Check Digit Verification of cas no
The CAS Registry Mumber 6997-79-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,9,9 and 7 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 6997-79:
(6*6)+(5*9)+(4*9)+(3*7)+(2*7)+(1*9)=161
161 % 10 = 1
So 6997-79-1 is a valid CAS Registry Number.