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407609-46-5

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407609-46-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 407609-46-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,0,7,6,0 and 9 respectively; the second part has 2 digits, 4 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 407609-46:
(8*4)+(7*0)+(6*7)+(5*6)+(4*0)+(3*9)+(2*4)+(1*6)=145
145 % 10 = 5
So 407609-46-5 is a valid CAS Registry Number.

407609-46-5Relevant articles and documents

Activated sterically strained C=N bond in N-Arylsulfonyl-p-quinonemono-and diimines: IX. Synthesis and reactions of N-Tosyl-2,3,5,6-tetramethyl-1,4-benzoquinonimine

Avdeenko,Yusina,Yagupol'skii

, p. 1124 - 1129 (2001)

N-Tosyl-2,3,5,6-tetramethyl-1,4-benzoquinonimine as the other N-arylsulfonyl-1,4-benzoquinonimines with an activated C=N bond reacts along 1,2-addition path with alcohols and sodium azide and along 1,2-addition-elimination path with aromatic amines. The higher activity of the C=N bond in the N-arylsulfonyl-1,4-benzoquinonimines is not due to the electronic character of the substituent attached to the ring (Cl, CH3) but to steric influence resulting in increase in the bond angle C=N-S.

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