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13497-57-9

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13497-57-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 13497-57-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,4,9 and 7 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 13497-57:
(7*1)+(6*3)+(5*4)+(4*9)+(3*7)+(2*5)+(1*7)=119
119 % 10 = 9
So 13497-57-9 is a valid CAS Registry Number.

13497-57-9Downstream Products

13497-57-9Relevant articles and documents

Two-step synthesis of triarylmetals (As, Sb, Bi) starting from the metal oxides and 2,6-dimethoxybenzenethiol

Wada, Masanori,Natsume, Satoko,Suzuki, Shinobu,Uo, Akira,Nakamura, Michiaki,Hayase, Shuichi,Erabi, Tatsuo

, p. 223 - 227 (1997)

Reported here is a new synthetic method of triarylmetals MAr3 (M = As, Sb, Bi). It is composed of two-step reactions starting from the metal oxides: (1) A reaction of the metal oxide with 2,6-dimethoxybenzenethiol ΦSH [Φ = 2,6-(MeO)2C6H3] in the presence of acid to give the thiolatometals M(SΦ)3, and (2) A reaction of M(SΦ)3 with organolithium reagent LiAr to give MAr3 (Ar = Ph, 4-MeC6H4, 4-Me2NC6H4, Φ). Since ΦSH is odorless and crystalline, most of it can be recovered after the reactions without difficulty for repeated usages. The intermediates M(SΦ)3 are also crystalline and inert against hydrolysis.

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