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4442-57-3

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4442-57-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4442-57-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,4,4 and 2 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 4442-57:
(6*4)+(5*4)+(4*4)+(3*2)+(2*5)+(1*7)=83
83 % 10 = 3
So 4442-57-3 is a valid CAS Registry Number.

4442-57-3Upstream product

4442-57-3Downstream Products

4442-57-3Relevant articles and documents

Benzisothiazoline-1,1-dioxide derivatives, compositions and methods

-

, (2008/06/13)

Compounds of the formula STR1 wherein R1 is hydrogen, lower alkyl or phenyl, R2 is hydrogen, chlorine or methoxy, R3 is hydrogen or methoxy, R2 and R3, together with each other, are methylenedioxy or ethylenedioxy, R4 and R5 are each hydrogen or lower alkyl, R6 is hydrogen or lower alkoxy, R7 is lower alkoxy, R6 and R7, together with each other, are methylenedioxy or ethylenedioxy, X is carbonyl or sulfonyl, and n is 2 or 3, And non-toxic, pharmacologically acceptable acid addition salts thereof; the compounds as well as the salts are useful for slowing the heart rate.

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