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19791-21-0

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19791-21-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 19791-21-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,7,9 and 1 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 19791-21:
(7*1)+(6*9)+(5*7)+(4*9)+(3*1)+(2*2)+(1*1)=140
140 % 10 = 0
So 19791-21-0 is a valid CAS Registry Number.

19791-21-0Downstream Products

19791-21-0Relevant articles and documents

STUDIES ON ORGANOPHOSPHORUS COMPOUNDS. THIATION OF 3,1-BENZOXATHIAN-4-ONES. NEW ROUTES TO 1,2-BENZISOTHIAZOLE-3(2H)-THIONES AND 3H-1,2-BENZODITHIOL-3-IMINES

El-Barbary, A. A.,Clausen, K.,Lawesson, S.-O.

, p. 3309 - 3316 (2007/10/02)

3,1-Benzoxathian-4-ones, 2, when heated with 2,4-bis(4-methoxyphenyl)-1,3,2,4-dithiadiphosphetane-2,4-disulfide, 1, or with P4S10 give one or more of the following products: 3,1-benzoxathian-4-thione, 3, 1,3-benzodithian-4-one, 4, 1,3-benzodithian-4-thion

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