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309253-64-3

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309253-64-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 309253-64-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,9,2,5 and 3 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 309253-64:
(8*3)+(7*0)+(6*9)+(5*2)+(4*5)+(3*3)+(2*6)+(1*4)=133
133 % 10 = 3
So 309253-64-3 is a valid CAS Registry Number.

309253-64-3Downstream Products

309253-64-3Relevant articles and documents

Synthesis of 1,2,4-Benzotriazine-3-acetates and -acetamides

Wilde, H.,Hauptmann, S.,Kanitz, A.,Franzheld, M.,Mann, G.

, p. 297 - 309 (2007/10/02)

Substituted 1,2,4-benzotriazine-3-acetates 6 are prepared by the reduction of (2-nitrophenyl)hydrazonoethers 4 or (2-nitrophenyl)amidrazones 5.The 1,2,4-benzotriazin-3-ylacetanilid 9g forms a yellow azomethine dye 10 by oxidative coupling with N,N-diethyl-p-phenylene-diamine.

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