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121767-99-5

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121767-99-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 121767-99-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,1,7,6 and 7 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 121767-99:
(8*1)+(7*2)+(6*1)+(5*7)+(4*6)+(3*7)+(2*9)+(1*9)=135
135 % 10 = 5
So 121767-99-5 is a valid CAS Registry Number.

121767-99-5Relevant articles and documents

Synthesis of the Aromatase Inhibitor 3-Ethyl-3-(4-pyridyl)piperidine-2,6-dione and Its Enantiomers

McCague, Raymond,Jarman, Michael,Rowlands, Martin G.,Mann, John,Thickitt, Christopher P.,et al.

, p. 196 - 198 (2007/10/02)

Convenient syntheses of (R/S)-3-ethyl-3-(4-pyridyl)piperidine-2,6-dione (pyridoglutethimide) and its enantiomers are described; aromatase inhibitory activity was almost entirely confined to the 3R-enantiomer

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