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78072-76-1

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78072-76-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 78072-76-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,0,7 and 2 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 78072-76:
(7*7)+(6*8)+(5*0)+(4*7)+(3*2)+(2*7)+(1*6)=151
151 % 10 = 1
So 78072-76-1 is a valid CAS Registry Number.

78072-76-1Relevant articles and documents

Substituent effects on the carbon-13 NMR chemical shifts of cyclopropyl carbons in P-substituted(CIS-and trans-2-chlorocyclopropyl)benzenes

Kusuyama, Yoshiaki,Kagosaku, Tamami,Hasegawa, Takeshi

, p. 2836 - 2842 (2007/10/02)

Carbon-13 chemical shifts have been measured for the cyclopropyl carbon atoms of twenty one p-substituted (cis- and trans-2-chlorocyclopropyl)benzenes. The substituent induced chemical shifts (SCS) for the trans derivatives are shifted down field by electron-acceptor substituents and upfield by electron-donating substituents (normal SCS). This SCS trend is the same as those observed for the p-substituted cyclopropylbenzenes, while the SCS range is small because of the decreased polarization of C-1-C-2 bonding due to the attached chlorine atom. For the cis derivatives, SCS for C-1 and C-3(CH 2) carbons were also normal, while no measurable SCS was observed for C-2(CCl). The SCS well fitted with the LSFE equation, indicating that the SCS were controlled mainly by a polar effect, except for C-2(CCl, cis).

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