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90904-47-5

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90904-47-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 90904-47-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,9,0 and 4 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 90904-47:
(7*9)+(6*0)+(5*9)+(4*0)+(3*4)+(2*4)+(1*7)=135
135 % 10 = 5
So 90904-47-5 is a valid CAS Registry Number.

90904-47-5Downstream Products

90904-47-5Relevant articles and documents

Studies in Vilsmeier-Haack Reaction: Part XX- Reaction of Aminoanthraquinones with Tertiary Amides of Cyanoacetic Acid in Presence of Phosphorus Oxychloride

Tatke, D. R.,Seshadri, S.

, p. 1197 - 1199 (2007/10/02)

1-Aminoanthraquinone reacts with tertiary amides of cyanoacetic acid in the presence of phosphorus oxychloride to yield 1-cyano-2-substitutedamino-3-azabenzanthrone derivatives.Similar reaction with 1-amino-4-benzamidoanthraquinone and 1-amino-5-benzamido

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