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79722-90-0

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79722-90-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 79722-90-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,9,7,2 and 2 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 79722-90:
(7*7)+(6*9)+(5*7)+(4*2)+(3*2)+(2*9)+(1*0)=170
170 % 10 = 0
So 79722-90-0 is a valid CAS Registry Number.

79722-90-0Downstream Products

79722-90-0Relevant articles and documents

Reaction of imidazole and indole with 4-ethoxyalkylidene-2-phenyl-2-oxazolin-5-one: Structure of the condensation products

Homami, Seyed-Saied,Mukerjee, Arya K.

, p. 359 - 361 (2007/10/02)

Imidazole (2) and indole (3a) react with 4-ethoxymethylene-2-phenyl-2-oxazolin-5-one (1b; R2=H) to give 4-(imidazol-1-ylmethylene)- and 4-skatylidene-2-phenyl-2-oxazolin-5-ones (1d and 1e), respectively.Their structure are discussed.

Useful Synthesis of α,β-Dehydrotryptophan Derivatives

Moriya, Tamon,Yoneda, Naoto,Miyoshi, Muneji,Matsumoto, Kazuo

, p. 94 - 98 (2007/10/02)

N-Acyl-α,β-dehydrotryptophan (ΔTrp) esters 4a-h were directly synthesized by the reaction of 3--3H-indole (2) with N-acylglycinates 3a-h in resonable yields.Of these, N-formyl-substituted ΔTrp methyl ester (4a) was easily converted into ΔTrp methyl ester (7) in a high yield by acidolysis with dry methanol-hydrogen chloride.Furthermore, 7 was successfully used for the preparation of a dipeptide, N-alanyl-substituted ΔTrp methyl ester (10).

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