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Benzhydryl 6α-Bromo-6β-iodopenicillanate S,S-dioxide is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

137117-45-4

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137117-45-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 137117-45-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,1,1 and 7 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 137117-45:
(8*1)+(7*3)+(6*7)+(5*1)+(4*1)+(3*7)+(2*4)+(1*5)=114
114 % 10 = 4
So 137117-45-4 is a valid CAS Registry Number.

137117-45-4Relevant academic research and scientific papers

Iodine atom transfer addition reactions with alkynes. Part 2: α-iodocarbonyls

Curran,Kim,Ziegler

, p. 6189 - 6196 (1991)

1°-Iodo esters, ketones, and nitriles react smoothly in atom transfer addition reactions with alkylsubstituted (nucleophilic) alkynes, but a 3°-iodoester prefers to add to ester-substituted (electrophilic) alkynes. These atom transfer additions are suited

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