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272439-68-6

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272439-68-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 272439-68-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,7,2,4,3 and 9 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 272439-68:
(8*2)+(7*7)+(6*2)+(5*4)+(4*3)+(3*9)+(2*6)+(1*8)=156
156 % 10 = 6
So 272439-68-6 is a valid CAS Registry Number.

272439-68-6Downstream Products

272439-68-6Relevant articles and documents

Optical resolution of fragrant lactones

Nohira, Hiroyuki,Mizuguchi, Keiko,Murata, Toru,Yazaki, Yuko,Kanazawa, Miho,Aoki, Yoshio,Nohira, Misako

, p. 1359 - 1370 (2007/10/03)

Optical resolution of six chiral fragrant lactones (δ-jasmine lactone, massoia lactone, tuberolactone, pentynyllactone, δ-decalactone, and γ- nonalactone) was investigated by means of either the diastereomeric salt formation method or the diastereomeric amide formation method. Using these procedures, we obtained each enantiomer from five of the six lactones, except for massoia lactone. All five lactones were obtained in a good yield and with high optical purity. Sensoric characteristics on both enantiomers and racemic modification of four lactones are given.

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