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76207-90-4

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76207-90-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 76207-90-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,6,2,0 and 7 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 76207-90:
(7*7)+(6*6)+(5*2)+(4*0)+(3*7)+(2*9)+(1*0)=134
134 % 10 = 4
So 76207-90-4 is a valid CAS Registry Number.

76207-90-4Relevant articles and documents

Improved Methods for Conversion of Primary Amines into Bromides

Katritzky, Alan R.,Al-Omran, Fatima,Patel, Ranjan C.,Thind, Sukhpal S.

, p. 1890 - 1894 (2007/10/02)

N-Alkyl- and N-benzyl-4-p-chlorophenyl-2,3,5,6-tetraphenyl- N-alkyl- and N-benzyl-2,3,4,5,6-pentaphenyl-, and N-alkyl- and N-benzyl-2,4,6-triphenyl-pyridinium bromides on pyrolysis at 180-220 deg C give the corresponding alkyl and benzyl bromides in high yield. 1-Benzyl-5,6-dihydro-2,4-diphenylbenzoquinolinium trifluoromethanesulphonate gave benzyl bromide on heating with KBr in dimethylformamide at 100 deg C, and n-octyl bromide (80percent) was obtained from the corresponding pentacyclic bromide in refluxing acetonitrile.

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