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78905-66-5

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78905-66-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 78905-66-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,9,0 and 5 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 78905-66:
(7*7)+(6*8)+(5*9)+(4*0)+(3*5)+(2*6)+(1*6)=175
175 % 10 = 5
So 78905-66-5 is a valid CAS Registry Number.

78905-66-5Downstream Products

78905-66-5Relevant articles and documents

Preparation of Functionalized Diorganomagnesium Reagents in Toluene via Bromine or Iodine/Magnesium-Exchange Reactions

Desaintjean, Alexandre,Danton, Fanny,Knochel, Paul

supporting information, p. 4461 - 4476 (2021/08/13)

A wide range of polyfunctionalized di(hetero)aryl- and dialkenyl-magnesium reagents are prepared in toluene within 10 to 120 minutes between 78 C and 25 C via an I/Mg- or Br/Mg-exchange reaction using reagents of the general formula R2Mg (R = sBu, Mes). Highly sensitive functional groups, such as triazene or nitro, are tolerated in these exchange reactions, enabling the synthesis of various functionalized (hetero)arene and alkene derivatives after quenching with several electrophiles including allyl bromides, acyl chlorides, aldehydes, ketones, and aryl iodides.

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