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87059-94-7

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87059-94-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 87059-94-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,0,5 and 9 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 87059-94:
(7*8)+(6*7)+(5*0)+(4*5)+(3*9)+(2*9)+(1*4)=167
167 % 10 = 7
So 87059-94-7 is a valid CAS Registry Number.

87059-94-7Relevant articles and documents

CHEMISTRY OF THE PYRAZOLIDINES. 26. ALKYLATION OF 4-BENZYLIDEN-1-PHENYL-3,5-DIOXOPYRAZOLIDINES

Moldarev, B. L.,Aronzon, M. E.,Adanin, V. M.,Zyakun, A. M.

, p. 176 - 180 (2007/10/02)

The reaction of 4-benzyliden-1-phenyl-3,5-dioxopyrazolidines with alkyl halides in the presence of sodium alkoxide gave 1-phenyl-2-alkyl-4-benzyliden- and 1-phenyl-2,4-dialkyl-4-(α-alkoxybenzyl)-3,4-dioxopyrazolines.The structures of these compounds were confirmed by UV, IR, and PMR spectroscopy, and by mass spectrometry.

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