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1429629-84-4

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1429629-84-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1429629-84-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,9,6,2 and 9 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1429629-84:
(9*1)+(8*4)+(7*2)+(6*9)+(5*6)+(4*2)+(3*9)+(2*8)+(1*4)=194
194 % 10 = 4
So 1429629-84-4 is a valid CAS Registry Number.

1429629-84-4Downstream Products

1429629-84-4Relevant articles and documents

An expeditious and solvent-free synthesis of substituted pyrroles using sulfated anatase-titania as a solid acid catalyst

Ravi, Krishnaswamy,Krishnakumar, Balu,Swaminathan, Meenakshisundaram

, p. 370 - 375 (2013/05/08)

Sulfated anatase-titania (TiO2S4 21) has been used as a solid acid catalyst for the synthesis of substituted pyrroles from diketone and aromatic/aliphatic (acyclic and cyclic) primary amines by simple physical grinding. This sulfated titania gives an excellent yield with less reaction time and is an inexpensive, easily recyclable nanocatalytic material for this reaction. Higher catalytic activity of TiO2S 4 21 is due to its increased Broonsted acidity.

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