221077-42-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 221077-42-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,1,0,7 and 7 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 221077-42:
(8*2)+(7*2)+(6*1)+(5*0)+(4*7)+(3*7)+(2*4)+(1*2)=95
95 % 10 = 5
So 221077-42-5 is a valid CAS Registry Number.
221077-42-5Relevant articles and documents
Inhibitors of protein tyrosine phosphatase
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Page column 35, (2010/11/29)
The present invention comprises small molecular weight, non-peptidic inhibitors of formula I and II of Protein Tyrosine Phosphatase 1 (PTP1) which are useful for the treatment and/or prevention of Non-Insulin Dependent Diabetes Mellitus (NIDDM).
