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6540-26-7

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6540-26-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 6540-26-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,5,4 and 0 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 6540-26:
(6*6)+(5*5)+(4*4)+(3*0)+(2*2)+(1*6)=87
87 % 10 = 7
So 6540-26-7 is a valid CAS Registry Number.

6540-26-7Downstream Products

6540-26-7Relevant articles and documents

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Zingaro et al.

, p. 575 (1949)

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Cleavage Reactions of some Phenyltin Compounds with Iodine Halides, -Pseudohalides and -Carboxylates

Srivastava,Singh,Tangri,Sinha,Bajpai

, p. 443 - 445 (2007/10/03)

Cleavage reactions of iodinehalides, -pseudohalides IX (X = Cl, Br, NCO, NCS, N3 and CN) with Ph3SnCp yield triphenyltinhalides, -pseudohalides (Ph3SnX) indicating cleavage of Cp-Sn bond in preference to Ph-Sn bond, and cleavage reactions of iodine carboxylates IX′ (X′ = CH3OCO, C5H5OCO, C6H5CH2OCO, o-NH2C6H4OCO, o-CIC6H4OCO, p-NO2C6H4OCO, p-NH2C6H4OCO, C6H5CH =CHOCO) (in situ) with Ph3SnCl give hitherto unknown diphenylchlorotin carboxylates (Ph2SnX′Cl) indicating cleavage of Ph-Sn bond in preference to Cl-Sn bond. On the basis of the results, it is predicated that these diphenylchlorotin carboxylates possess bridging carboxylate groups (inter-molecularly chelated structure) in the solid state, whereas in solution they contain chelated carboxylate groups (intra-molecularly chelated structures).

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