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206437-62-9

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206437-62-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 206437-62-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,6,4,3 and 7 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 206437-62:
(8*2)+(7*0)+(6*6)+(5*4)+(4*3)+(3*7)+(2*6)+(1*2)=119
119 % 10 = 9
So 206437-62-9 is a valid CAS Registry Number.

206437-62-9Downstream Products

206437-62-9Relevant articles and documents

Synthesis of Benzenesulfonyl Derivatives with N-Metal Bonds

Gordetsov,Latyaeva,Levakova,Zimina,Cherkasov,Kulagina,Kozina

, p. 780 - 784 (2007/10/03)

Reaction of p-NH2C6H4SO2NH2 with (Bu3Sn)2O was used to prepare p-Bu3SnNHC6H4SO2NHSnBu3, whose transmetalation with (η5-C5H5)2V(Cp2V) gave p-CpVNHC6H4SO2NHVCp. When exposed to air, the latter rapidly converted to p-O=VNHC6H4SO2NHVCp and then to the parent sulfonamide. Sulfonamides PhSO2NHMCp were synthesized in a similar way from PhSO2NHSnBu3 and Cp2M or Cp2MCl2 (M = V, Ti, Nb, Mo).

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