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666-30-8

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666-30-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 666-30-8 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 6,6 and 6 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 666-30:
(5*6)+(4*6)+(3*6)+(2*3)+(1*0)=78
78 % 10 = 8
So 666-30-8 is a valid CAS Registry Number.

666-30-8Downstream Products

666-30-8Relevant articles and documents

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Haszeldine,R.N. et al.

, p. 2292 - 2294 (1975)

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METHOD FOR PRODUCING 2-CHLORO-1,3,3,3-TETRAFLUOROPROPENE

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Paragraph 0053-0054, (2017/03/24)

PROBLEM TO BE SOLVED: To provide a production method that suppresses the production of by-product and selectively produces 2-chloro-1,3,3,3-tetrafluoropropene(1224). SOLUTION: The method for producing 2-chloro-1,3,3,3-tetrafluoropropene(1224) comprises bringing an organic base into contact with 2,3-dichloro-1,1,1,3-tetrafluoropropane(234da). The organic base is preferably an organic base having a pKa of 7 or higher and more preferably, is an organic base having a pKa of 10 or higher. The organic base is preferably recovered and reused. SELECTED DRAWING: None COPYRIGHT: (C)2016,JPOandINPIT

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