Cas 87549-05-1,1-(2-phenylsulfonylethyl)-2-benzoylpyrrole

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Check Digit Verification of cas no

The CAS Registry Mumber 87549-05-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,5,4 and 9 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 87549-05:
(7*8)+(6*7)+(5*5)+(4*4)+(3*9)+(2*0)+(1*5)=171
171 % 10 = 1
So 87549-05-1 is a valid CAS Registry Number.

87549-05-1Upstream product

87549-05-1Downstream Products

7697-46-3 phenyl(1H-pyrrol-2-yl)methanone

87549-05-1Relevant articles and documents

Protecting groups for the pyrrole nitrogen atom. The 2-chloroethyl, 2-phenylsulfonylethyl, and related moieties

Gonzalez, Carlos,Greenhouse, Robert,Tallabs, Ramon,Muchowski, Joseph M.

, p. 1697 - 1702 (2007/10/02)

The 2-chloroethyl and 2-phenylsulfonylethyl moieties are versatile protecting groups for the pyrrole nitrogen atom.The 2-chloroethyl group is easily attached under phase transfer conditions using 1,2-dichloroethane.The 2-phenylsulfonylethyl moiety is read

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87549-05-1