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141277-67-0

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141277-67-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 141277-67-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,1,2,7 and 7 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 141277-67:
(8*1)+(7*4)+(6*1)+(5*2)+(4*7)+(3*7)+(2*6)+(1*7)=120
120 % 10 = 0
So 141277-67-0 is a valid CAS Registry Number.

141277-67-0Downstream Products

141277-67-0Relevant articles and documents

Lanthanide Triflates as Water-Tolerant Lewis Acids. Activation of Commercial Formaldehyde Solution and Use in the Aldol Reaction of Silyl Enol Ethers with Aldehydes in Aqueous Media

Kobayashi, Shu,Hachiya, Iwao

, p. 3590 - 3596 (2007/10/02)

Lanthanide trifluoromethanesulfonates (triflates), especially ytterbium triflate (Yb(OTf)3), were found to be stable Lewis acids in water.In the presence of a catalytic amount of lanthanide triflate, formaldehyde in water solution (commercial formaldehyde

TRIMETHYLSILYL TRIFLATE CATALYZED ALDOL-TYPE REACTION OF ENOL SILYL ETHERS AND ACETALS OR RELATED COMPOUNDS

Murata, Shizuaki,Suzuki, Chikusa,Noyori, Ryoji

, p. 4259 - 4276 (2007/10/02)

Trimethylsilyl triflate with or without added hindered tertiary amines catalyzes directed condensation of enol trimethylsilyl ethers with acetals, orthoformate, or 2-acetoxytetrahydrofuran or -pyrans to give the corresponding β-alkoxy carbonyl compounds.R

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