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82884-05-7

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82884-05-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 82884-05-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,8,8 and 4 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 82884-05:
(7*8)+(6*2)+(5*8)+(4*8)+(3*4)+(2*0)+(1*5)=157
157 % 10 = 7
So 82884-05-7 is a valid CAS Registry Number.

82884-05-7Downstream Products

82884-05-7Relevant articles and documents

NOVEL CATALYSIS OF o-NITROPHENYL CARBONATES BY p-DIMETHYLAMINOPYRIDINE

Brunelle, Daniel J.

, p. 1739 - 1742 (2007/10/02)

Transesterification reactions of o-nitrophenyl carbonates have been found to be greatly facilitated by use of p-dialkylaminopyridines as catalysts.A 20-fold rate increase is observed using 0.01 eq. of p-dimethylaminopyridine in place of 2.00 eq. of triethylamine.Such rate enhancement is not observed with p-nitrophenyl carbonates: 2.00 eq. of Et3N causes reaction to occur 8.5 times faster than 0.01 eq. of DMAP.DMAP catalyzed reactions of o-nitrophenyl carbonate have been used to prepare aromatic carbonates at 0 deg C in high yields, and avoid the necessity of using 2 equiv. of base.

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