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41890-38-4

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41890-38-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 41890-38-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,1,8,9 and 0 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 41890-38:
(7*4)+(6*1)+(5*8)+(4*9)+(3*0)+(2*3)+(1*8)=124
124 % 10 = 4
So 41890-38-4 is a valid CAS Registry Number.

41890-38-4Relevant articles and documents

NITRATION

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Page/Page column 36; 37; 49; 40; 57-58, (2020/05/28)

The present invention relates to a process for preparing a nitrated compound, comprising the step of reacting a compound (A) comprising at least one substituted or unsubstituted aromatic or heteroaromatic ring, wherein said heteroaromatic ring comprises at least one heteroatom selected from the group consisting of oxygen, sulfur, phosphor, selenium and nitrogen, with a compound of formula (I) wherein Y is selected from the group consisting of hydrogen and nitro.

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