654644-18-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 654644-18-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,5,4,6,4 and 4 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 654644-18:
(8*6)+(7*5)+(6*4)+(5*6)+(4*4)+(3*4)+(2*1)+(1*8)=175
175 % 10 = 5
So 654644-18-5 is a valid CAS Registry Number.
654644-18-5Relevant articles and documents
Antibodies for detecting efavirenz
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, (2008/06/13)
The invention provides derivatives of efavirenz and methods of making derivatives of efavirenz. The derivatives include immunogenic compounds for producing antibodies to efavirenz and labeled efavirenz tracers. These compounds are useful in immunoassay me