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83305-77-5

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83305-77-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 83305-77-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,3,0 and 5 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 83305-77:
(7*8)+(6*3)+(5*3)+(4*0)+(3*5)+(2*7)+(1*7)=125
125 % 10 = 5
So 83305-77-5 is a valid CAS Registry Number.

83305-77-5Downstream Products

83305-77-5Relevant articles and documents

SYNTHESIS OF AMIDRAZONIUM SALTS BY THE REACTION OF S-METHYLTHIOAMIDIUM IODIDES WITH HYDRAZINES

Zelenin, K. N.,Pinson, V. V.,Khrustalev, V. A.

, p. 1410 - 1415 (2007/10/02)

A series of amidrazonium iodides with various degrees of substitution and relative positions for the substituents were obtained by the reaction of S-methylthioamidium iodides with hydrazines.The effect of the structure of the thioamide and hydrazine components and also of temperature on the direction of the reaction was studied.For methylhydrazine preferential reaction at the N1 atom is observed.Increase in the volume and electron-withdrawing characteristics of the substituent in the hydrazine determines attack at the unsubstituted nitrogen atom.The amidrazonium iodides, which have as it were one hydrogen atom at the N3 atom, exist in the configuration with the syn arrangement of the first and third nitrogen atoms, stabilized by an intramolecular hydrogen bond.The 3,3-disubstituted amidrazonium iodides exist in the E configuration.

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