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1239368-86-5

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1239368-86-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1239368-86-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,9,3,6 and 8 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1239368-86:
(9*1)+(8*2)+(7*3)+(6*9)+(5*3)+(4*6)+(3*8)+(2*8)+(1*6)=185
185 % 10 = 5
So 1239368-86-5 is a valid CAS Registry Number.

1239368-86-5Downstream Products

1239368-86-5Relevant articles and documents

Pyridazine derivatives and related compounds. 23*. synthesis of 3-substituted pyrazolo[3,4-c] pyridazines and their application as disperse dyes

Deeb,Yassin,Ouf,Shehta

, p. 212 - 222 (2011/08/21)

Acetylacetone and malononitrile were coupled with diazotized arylamines to give arylazoacetylacetones and arylazomalononitriles. When refluxed with 3-hydrazino-4,5-diphenyl-1H-pyrazolo-[3,4-c]pyridazine in the presence of ethanol/HCl, they yielded the corresponding 3-[4-(arylazo)-3,5-dimethylpyrazol- 1-yl]- and 3-[3,5-diamino-4-(arylazo)pyrazol-1-yl]-4,5-diphenyl-1H-pyrazolo[3,4- c]pyridazine dyes. The dyes were applied to polyester and polyamide fabrics, and their spectral and fastness properties were measured.

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