Cas 76465-67-3,7-hydroxycalamenene

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Check Digit Verification of cas no

The CAS Registry Mumber 76465-67-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,6,4,6 and 5 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 76465-67:
(7*7)+(6*6)+(5*4)+(4*6)+(3*5)+(2*6)+(1*7)=163
163 % 10 = 3
So 76465-67-3 is a valid CAS Registry Number.

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76465-67-3Relevant academic research and scientific papers

Reactions of 3-Phenylthiobut-3-en-2-one. Part 4. Novel and Efficient Synthesis of 7-hydroxycalamenene, Ferruginol, and D-Homoestrone

Takaki, Ken,Ohsugi, Masakatsu,Okada, Michikazu,Yasumura, Masateru,Negoro, Kenji

, p. 741 - 745 (2007/10/02)

The annelation reaction of 3-phenylthiobut-3-en-2-one with carvomenthone (1) gives 8a-hydroxy-4α-isopropyl-1-methyl-6-phenylthioperhydronaphthalen-7-one (2), which is converted into 7-hydroxycalamenene (4) by subsequent dehydration, methylation, and aroma

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