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141809-63-4

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141809-63-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 141809-63-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,1,8,0 and 9 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 141809-63:
(8*1)+(7*4)+(6*1)+(5*8)+(4*0)+(3*9)+(2*6)+(1*3)=124
124 % 10 = 4
So 141809-63-4 is a valid CAS Registry Number.

141809-63-4Downstream Products

141809-63-4Relevant articles and documents

A New and Efficient Esterification Reaction via Mixed Anhydrides by the Promotion of a Catalytic Amount of Lewis Acid

Miyashita, Mitsutomo,Shiina, Isamu,Miyoshi, So,Mukaiyama, Teruaki

, p. 1516 - 1527 (2007/10/02)

In the presence of a catalytic amount of Lewis acid, various carboxylic esters or S-phenyl carbothioates are prepared in excellent yields by the respective reactions of equimolar amounts of silyl carboxylates and alkyl silyl ethers or phenyl silyl sulfides with 4-trifluoromethylbenzoic anhydride.

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