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1128077-18-8

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1128077-18-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1128077-18-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,2,8,0,7 and 7 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1128077-18:
(9*1)+(8*1)+(7*2)+(6*8)+(5*0)+(4*7)+(3*7)+(2*1)+(1*8)=138
138 % 10 = 8
So 1128077-18-8 is a valid CAS Registry Number.

1128077-18-8Downstream Products

1128077-18-8Relevant articles and documents

Preparation of sulfenyl pyrroles

Gillis, H. Martin,Greene, Lana,Thompson, Alison

experimental part, p. 112 - 116 (2009/06/18)

Sulfenyl groups are attracting interest as masking/protecting groups for pyrroles. A facile one-step synthesis of sulfenyl pyrroles, involving the reaction of pyrroles with N-(aryl- and alkylthio)phthalimides in the presence of MgBr2, is reported and the methodology extends to include sulfinyl pyrroles. The one-step procedure gives good yields and is more efficient and practical than current multistep protocols to sulfenyl pyrroles that involve thiocyanato pyrrolic intermediates. A convenient procedure for the synthesis of N-(aryl- and alkylthio)phthalimides is also reported. Georg Thieme Verlag Stuttgart.

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