138555-65-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 138555-65-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,8,5,5 and 5 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 138555-65:
(8*1)+(7*3)+(6*8)+(5*5)+(4*5)+(3*5)+(2*6)+(1*5)=154
154 % 10 = 4
So 138555-65-4 is a valid CAS Registry Number.
138555-65-4Relevant articles and documents
Method for the determination of an ion with increased sensitivity, use of substances which are suitable for this and a corresponding agent
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, (2008/06/13)
The invention relates to a method for determining an ion in an aqueous sample. The method involves contacting the sample with a water immiscible material including an ionophore, a pH indicator and a compound which stabilizes sensitivity of the assay. The
