40991-40-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 40991-40-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,9,9 and 1 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 40991-40:
(7*4)+(6*0)+(5*9)+(4*9)+(3*1)+(2*4)+(1*0)=120
120 % 10 = 0
So 40991-40-0 is a valid CAS Registry Number.
40991-40-0Relevant articles and documents
Process for preparing benzisothiazolinones
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, (2014/11/27)
N-alkylated 1,2-benzisothiazolin-3-ones can be prepared in good yield and good selectivity by reaction of the lithium salt of 1,2-benzisothiazolin-3-one with an electrophilic alkylating agent.