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81134-67-0

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81134-67-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 81134-67-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,1,3 and 4 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 81134-67:
(7*8)+(6*1)+(5*1)+(4*3)+(3*4)+(2*6)+(1*7)=110
110 % 10 = 0
So 81134-67-0 is a valid CAS Registry Number.

81134-67-0Relevant articles and documents

Two-step synthesis of arylstannanes from phenols

Chopa, Alicia B.,Lockhart, Maria T.,Silbestri, Gustavo

, p. 2249 - 2250 (2000)

The reactions of a number of aryl diethyl phosphates (ArDEP) with (triphenylstannyl)sodium and (trimethylstannyl) sodium in liquid ammonia were studied. Results indicate that the conversion of phenols into the corresponding aryl diethyl phosphates followed by the S displacement with organotin anions is an excellent and convenient method for the synthesis of arylstannanes.

Reactions of Tin-Naphthyl Bond with Halogens and Pseudohalogens

Bhattacharya, S. N.,Husain, Ishrat

, p. 1119 - 1121 (2007/10/02)

Reactivity of Sn-phenyl or Sn-naphthyl bond in tetraorganotins, PhnSnNp4-n (Ph = phenyl, Np = α-naphthyl; n = 2,3) towards halogens (Br2 and I2), interhalogens (IBr and ICl), interpseudohalogens (BrCN and ICN) and pseudohalogen (SCN)2 has been studied.It is found that the Sn-Np bond is preferentially cleaved yielding in most cases phenyltin derivatives along with the corresponding α-naphthyl halides.

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