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1171247-70-3

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1171247-70-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1171247-70-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,7,1,2,4 and 7 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1171247-70:
(9*1)+(8*1)+(7*7)+(6*1)+(5*2)+(4*4)+(3*7)+(2*7)+(1*0)=133
133 % 10 = 3
So 1171247-70-3 is a valid CAS Registry Number.

1171247-70-3Relevant articles and documents

Synthesis, structures, and reactivity of kinetically stabilized anthryldiphosphene derivatives

Tsurusaki, Akihiro,Nagahora, Noriyoshi,Sasamori, Takahiro,Matsuda, Kazunari,Kanemitsu, Yoshihiko,Watanabe, Yasuaki,Hosoi, Yoshinobu,Furukawa, Yukio,Tokitoh, Norihiro

experimental part, p. 456 - 478 (2010/07/04)

The first stable anthryldiphosphenes, 1 and 2, were synthesized by utilizing kinetic stabilization of 2,4,6- tris[bis(trimethylsilyl)methyl]phenyl (Tbt) and 2,6-bis[bis(trimethylsilyl)methyl]-4-[tris(trimethylsilyl)methyl] phenyl (Bbt) groups, and were characterized by spectroscopic and X-ray crystallographic analyses. The UVvisible spectroscopic data suggested the electronic communication between the anthryl moiety and the P=P unit. It was found that TbtP=P(9- Anth) (1a: 9-Anth = 9-anthryl) showed weak fluorescence in hexane solution. Furthermore, the reactivities of anthryldiphosphene 1 with a chromium complex, chalcogenation reagents, a diene, and electron-deficient olefins have been revealed.

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