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98320-74-2

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98320-74-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 98320-74-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,8,3,2 and 0 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 98320-74:
(7*9)+(6*8)+(5*3)+(4*2)+(3*0)+(2*7)+(1*4)=152
152 % 10 = 2
So 98320-74-2 is a valid CAS Registry Number.

98320-74-2Relevant articles and documents

Process for the preparation of phenyl (1,3,5-triazin-2-yl) carbamates

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Example 2, (2010/01/31)

The present invention discloses a process for the preparation of phenyl (1,3,5-triazin-2-yl)carbamates of the formula (I)???wherein???R1is hydrogen atom, C1-C4alkyl or C1-C4alkoxy???R2and R3are independently hydrogen atom, halogen atom, C1-C4alkyl, C1-C4alkoxy, C1-C4alkylthio, C1-C4haloalkyl, C1-C4haloalkoxy, C1-C4haloalkylthio, C2-C4alkoxyalkyl or NR7R8???R7and R8are independently hydrogen atom or C1-C4alkyl???R4, R5and R6are independently hydrogen atom, halogen atom, C1-C4alkyl or C1-C4alkoxywhich comprises:reacting 2-amino-1,3,5-triazines of the formula (II)with diphenyl carbonates of the formula (III)???in the presence of alkali metal hydrides in aprotic polar solvents.

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