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27664-87-5

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27664-87-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 27664-87-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,7,6,6 and 4 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 27664-87:
(7*2)+(6*7)+(5*6)+(4*6)+(3*4)+(2*8)+(1*7)=145
145 % 10 = 5
So 27664-87-5 is a valid CAS Registry Number.

27664-87-5Downstream Products

27664-87-5Relevant articles and documents

NEW SESQUITERPENOIDS FROM THE OLEORESIN OF Abies alba

Khan, V. A.,Tkachev, A. V.,Pentegova, V. A.

, p. 606 - 611 (2007/10/02)

The structures of four new sesquiterpenoids from the oleoresin of Abies alba have been studied, On the basis of various spectral characteristics, the structures of (10S, 11S)-himachala-2,4-diene, (10S, 11S)-himachala-3(12),4-diene, humula-4,9-dien-8-ol, and (4S, 5S, 10S)-selina-6-en-4-ol have been proposed for the compounds isolated.The stereochemistry of the assymetric centers was determined by the conversion of these compounds into known sesquiterpenes and also by analysis of PMR spectra with a shift reagent.

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