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122554-94-3

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122554-94-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 122554-94-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,2,5,5 and 4 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 122554-94:
(8*1)+(7*2)+(6*2)+(5*5)+(4*5)+(3*4)+(2*9)+(1*4)=113
113 % 10 = 3
So 122554-94-3 is a valid CAS Registry Number.

122554-94-3Downstream Products

122554-94-3Relevant articles and documents

Chemistry of Homoisoflavonoids: Synthesis of Polyhydroxy 3-Benzylchromones and 3-Benzylchroman-4-ones without Protection and Deprotection of Hydroxyl Groups and a Convenient Preparation of Benzylidenechroman-4-ones

Sathyanarayana, S.,Krishnamurty, H. G.

, p. 899 - 901 (2007/10/02)

Catalytic transfer hydrogenation of hydroxyflavanones gives hydroxydihydrochalcones.These dihydrochalcones are converted into hydroxyhomoisoflavones and homoisoflavanones without protection and deprotection of hydroxyl groups.The condensation between chromanones and aryl aldehydes in the presence of dry p-toluenesulfonic acid in benzene or toluene gives benzylidenechromanones in good yields.The method is far superior to all other existing procedures.

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