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191657-30-4

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191657-30-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 191657-30-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,1,6,5 and 7 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 191657-30:
(8*1)+(7*9)+(6*1)+(5*6)+(4*5)+(3*7)+(2*3)+(1*0)=154
154 % 10 = 4
So 191657-30-4 is a valid CAS Registry Number.

191657-30-4Downstream Products

191657-30-4Relevant articles and documents

2-(4-pyrazolyloxy-pyrimidin-5-yl) acetic acid derivatives

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, (2008/06/13)

This invention relates to novel 2-(4-pyrazolyloxy-pyrimidin-5-yl) acetic acid derivatives of formula I STR1 wherein R1 is hydrogen, C1-4 alkyl, C1-4 alkoxy, C1-4 alkylthio, C3-6 cycloalkyl, or di-C1-4 alkylamino, R2 is hydrogen, C1-4 alkyl, C1-4 alkoxy, C1-4 alkylthio, or di-C1-4 alkyl-amino, R3 is hydrogen or methyl, R4 is aryl, aryl-C1-4 alkyl, heteroaryl, or heteroaryl-C1-4 alkyl, wherein each of the aromatic rings may be optionally substituted; and X is CH or nitrogen; the use of such compounds for the control of phytopathogens, compositions for facilitating such use, and the preparation of the compounds of formula I.

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