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861215-70-5

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861215-70-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 861215-70-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,6,1,2,1 and 5 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 861215-70:
(8*8)+(7*6)+(6*1)+(5*2)+(4*1)+(3*5)+(2*7)+(1*0)=155
155 % 10 = 5
So 861215-70-5 is a valid CAS Registry Number.

861215-70-5Downstream Products

861215-70-5Relevant articles and documents

Chlorosulfonation of 9-aryloctahydroxanthen-1,8-diones

Cremlyn, Richard J.,Shabbir, Ghulam

, p. 2635 - 2643 (2007/10/03)

The 9-aryloctahydroxanthen-1,8-diones (3, 4-24) were prepared by reaction of cyclohexan-1,3-dione (1) with selected arylaldehydes. The xanthendiones (4-9, 11, 12, 18, 21, 22) were successfully reacted with chlorosulfonic acid, and the crude sulfonyl chlorides were converted into 15 sulfonamides (26-40) for screening as potential pesticides. Attempted chlorosulfonation of the xanthendiones (13-17) was unsuccessful. α-Methylcinnamaldehyde was reacted with cyclohexandione (1) to yield the corresponding xanthendione derivative (23). On the other hand, with o-methoxycinnamaldehyde an impure product formed and the p-methoxy isomer afforded the corresponding 2-arylpyran (25). The NMR spectral data of the compounds are briefly discussed.

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