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1019637-61-6

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1019637-61-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1019637-61-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,1,9,6,3 and 7 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1019637-61:
(9*1)+(8*0)+(7*1)+(6*9)+(5*6)+(4*3)+(3*7)+(2*6)+(1*1)=146
146 % 10 = 6
So 1019637-61-6 is a valid CAS Registry Number.

1019637-61-6Relevant articles and documents

Highly selective three-step synthesis of rhein in chloroaluminate molten salt: preclusion of the Hayashi rearrangement

Gonnot, Vanessa,Antheaume, Cyril,Nicolas, Marc,Mioskowski, Charles,Baati, Rachid

supporting information; experimental part, p. 6205 - 6210 (2010/03/24)

An expeditious, three-step synthesis of rhein (2) was optimized starting from bis(N, N-diethyl)-5-methoxybenzene-1,3-dicarboxamide. The key final step, involving deprotection/cyclization of orihobenzoylbenzoic acid 9 in acidic chloroaluminate molten salts

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