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69153-91-9

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69153-91-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 69153-91-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,9,1,5 and 3 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 69153-91:
(7*6)+(6*9)+(5*1)+(4*5)+(3*3)+(2*9)+(1*1)=149
149 % 10 = 9
So 69153-91-9 is a valid CAS Registry Number.

69153-91-9Relevant articles and documents

Optical rotatory dispersion studies. 132. Conformational isotope effect in deuterium-substituted cyclohexanones

Lee, Shy-Fuh,Barth, Guenter,Djerassi, Carl

, p. 295 - 301 (2007/10/02)

The observed temperture dependence of the circular dichroism spectra of (3R)-2,2-dimethyl-3-deuteriocyclohexanone (1), (4S)-2,2-dimethyl-4-deuteriocyclohexanone (2), and (5S)-2,2-dimethyl-5-deuteriocyclohexanone (3) is interpreted as reflecting a conforma

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