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254742-55-7

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254742-55-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 254742-55-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,4,7,4 and 2 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 254742-55:
(8*2)+(7*5)+(6*4)+(5*7)+(4*4)+(3*2)+(2*5)+(1*5)=147
147 % 10 = 7
So 254742-55-7 is a valid CAS Registry Number.

254742-55-7Downstream Products

254742-55-7Relevant articles and documents

Synthesis of (1S,2R,12S)-2-hydroxy-11-dihydroneocembrene

Kato, Tadahiro,Ebihara, Shin-Ichi,Furukawa, Tohru,Tanahashi, Hirota,Hoshikawa, Masahiro

, p. 3691 - 3700 (1999)

Aiming at the asymmetric total synthesis of trinervitane-type diterpenes, an efficient synthetic route to the title compound was explored starting from the THP ether of pivaloyloxy geraniol 11e. The coupling reaction with Grignard reagent 14 bearing the s

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