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291506-95-1

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291506-95-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 291506-95-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,9,1,5,0 and 6 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 291506-95:
(8*2)+(7*9)+(6*1)+(5*5)+(4*0)+(3*6)+(2*9)+(1*5)=151
151 % 10 = 1
So 291506-95-1 is a valid CAS Registry Number.

291506-95-1Relevant articles and documents

Selective N-trifluoroacetylation of ortho-arylenediamines under ultrasound

Bougrin, Khalid,Loupy, André,Petit, Alain,Benhida, Rachid,Fourrey, Jean-Louis,Daou, Boujemaa,Soufiaoui, Mohamed

, p. 4875 - 4879 (2000)

Mono and di-N-trifluoroacetylation of ortho-arylenediamines can be performed selectively under ultrasound irradiation according to the relative amounts of starting materials. Mono and di-trifluoroacetylated compounds 3 and 4 are prepared with good yields

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