217196-77-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 217196-77-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,7,1,9 and 6 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 217196-77:
(8*2)+(7*1)+(6*7)+(5*1)+(4*9)+(3*6)+(2*7)+(1*7)=145
145 % 10 = 5
So 217196-77-5 is a valid CAS Registry Number.
217196-77-5Relevant academic research and scientific papers
Nonsteroidal gestagens
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Page column 22, (2010/11/29)
This invention describes the new, nonsteroidal gestagens of general formula I in which A, B, Ar, R1, R2and R3have the meanings that are indicated in more detail in the description. The new compounds show a very great affin
