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79928-74-8

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79928-74-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 79928-74-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,9,9,2 and 8 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 79928-74:
(7*7)+(6*9)+(5*9)+(4*2)+(3*8)+(2*7)+(1*4)=198
198 % 10 = 8
So 79928-74-8 is a valid CAS Registry Number.

79928-74-8Downstream Products

79928-74-8Relevant articles and documents

Syntheses of substituted naphthalenes and naphthols

Huang, Keng-Shiang,Wang, Eng-Chi,Chen, Hsing-Ming

, p. 585 - 605 (2007/10/03)

Syntheses of substituted naphthalenes and naphthols are described. Based on Claisen rearrangement, ring-closing metathesis (RCM), and related reactions, isovanillin was successfully transformed into a series of substituted naphthalenes and naphthols with

Vilsmeier-Haack Reaction on Methoxyallylbenzenes

Narasimhan, N. S.,Mukhopadhyay, T.,Kusurkar, S. S.

, p. 546 - 548 (2007/10/02)

Vilsmeier-Haack reaction on various methoxyallylbenzenes yields the naphthaldehydes (2, 11, 14, 17, 20, 21) when ortho-position to the allyl group is activated.In other cases only nuclear formylated products are obtained.The product analysis suggests that nuclear formylation is probably the first step in these reactions.

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