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20804-38-0

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20804-38-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 20804-38-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,8,0 and 4 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 20804-38:
(7*2)+(6*0)+(5*8)+(4*0)+(3*4)+(2*3)+(1*8)=80
80 % 10 = 0
So 20804-38-0 is a valid CAS Registry Number.

20804-38-0Relevant articles and documents

FLUOROALKYLATING AGENT

-

, (2018/01/11)

Problem to be Solved It is intended to provide an industrially preferable fluoroalkylating agent and use thereof. Solution The present invention provides a fluoroalkylating agent represented by the general formula (1) wherein R1 is a C1 to C8 fluoroalkyl group; R2 and R3 are each independently a C1 to C12 alkyl group or the like; Y1 to Y4 are each independently a hydrogen atom, a halogen atom, or the like; and X? is a monovalent anion. A compound of the general formula (3): R4—S—R1 having an introduced C1 to C8 fluoroalkyl group is easily obtained by reacting a compound of the general formula (2): R4—S—Z wherein R4 is a hydrocarbon group or the like; and Z is a leaving group, with the compound of the general formula (1).

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