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1187666-94-9

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1187666-94-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1187666-94-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,8,7,6,6 and 6 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1187666-94:
(9*1)+(8*1)+(7*8)+(6*7)+(5*6)+(4*6)+(3*6)+(2*9)+(1*4)=209
209 % 10 = 9
So 1187666-94-9 is a valid CAS Registry Number.

1187666-94-9Downstream Products

1187666-94-9Relevant articles and documents

Metal organic frameworks as heterogeneous catalysts for the selective N-methylation of aromatic primary amines with dimethyl carbonate

Dhakshinamoorthy, Amarajothi,Alvaro, Mercedes,Garcia, Hermenegildo

, p. 19 - 25 (2010)

Metal organic frameworks (MOFs) with aluminium, copper and iron as central metal atoms with 1,4-benzenedicarboxylic acid (aluminium) and 1,3,5-benzenetricarboxylic acid (copper and iron) as ligands are selective and active catalysts in promoting the polymethylation of aromatic amines with dimethyl carbonate (DMC). N-methylation prevails over carbamoylation even though they are competing parallel processes. The present N-methylation protocol using DMC enjoys advantages such as convenient reaction conditions, benign, reusable, cost-effective catalyst, avoids the use of additional solvent and uses a safe, green methylating agent that only produces CO2 and methanol as by-products.

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