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333771-74-7

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333771-74-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 333771-74-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,3,3,7,7 and 1 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 333771-74:
(8*3)+(7*3)+(6*3)+(5*7)+(4*7)+(3*1)+(2*7)+(1*4)=147
147 % 10 = 7
So 333771-74-7 is a valid CAS Registry Number.

333771-74-7Downstream Products

333771-74-7Relevant articles and documents

Facile method for one-step synthesis of 2,4,5-triarylimidazoles under catalyst-free, solvent-free, and microwave-irradiation conditions

Zhou, Jian-Feng,Gong, Gui-Xia,Sun, Xiao-Jun,Zhu, Yu-Lan

experimental part, p. 1134 - 1141 (2010/04/29)

A green and efficient method for the synthesis of 2,4,5-triarylimidazoles by one-step condensation reaction of benzil, aromatic aldehyde, and ammonium acetate under catalyst-free, solvent-free, and microwave-irradiation conditions is reported. This method had many dramatic advantages, such as the short reaction time (3-5min), good yields (80-99%), environmental friendliness, and convenient operation.

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