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67987-21-7

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67987-21-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 67987-21-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,7,9,8 and 7 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 67987-21:
(7*6)+(6*7)+(5*9)+(4*8)+(3*7)+(2*2)+(1*1)=187
187 % 10 = 7
So 67987-21-7 is a valid CAS Registry Number.

67987-21-7Relevant articles and documents

Labeling reagents and labeled targets, target labeling processes and other processes for using same in nucleic acid determinations and analyses

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Figure 9, (2008/06/13)

This invention provides for labeling reagents, labeled targets and processes for preparing labeling reagents. The labeling reagents can take the form of cyanine dyes, xanthene dyes, porphyrin dyes, coumarin dyes or composite dyes. These labeling reagents are useful for labeling probes or targets, including nucleic acids and proteins. These reagents can be usefully applied to protein and nucleic acid probe based assays. They are also applicable to real-time detection processes.

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