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86133-29-1

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86133-29-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 86133-29-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,6,1,3 and 3 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 86133-29:
(7*8)+(6*6)+(5*1)+(4*3)+(3*3)+(2*2)+(1*9)=131
131 % 10 = 1
So 86133-29-1 is a valid CAS Registry Number.

86133-29-1Downstream Products

86133-29-1Relevant articles and documents

C-FORMYLATION OF α-PHENYLAMINOANTHRAQUINONES WITH FORMALDEHYDE. REACTION OF α-AMINOANTHRAQUINONES WITH FORMALDEHYDE IN SULFURIC ACID

Kazankov, M. V.,Ginodman, L. G.,Mustafina, M. Ya.

, p. 526 - 533 (2007/10/02)

The reaction of α-phenylaminoanthraquinones with formaldehyde in concentrated sulfuric acid leads to formylation at the para position of the phenyl group.The possibility of extending the reaction to related systems was demonstrated for the case of 6-phenylamino-N-methylanthrapyridone.It is suggested that the intermediate compounds in the C-formylation, N-methylation, and demethylation respectively of α-amino and α-methylaminoanthraquinones are 7H-7-oxoanthra-1,3-oxazinium cations.

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