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2,2,2-trichloroethyl 6β-allyl-6α-phenylthiopenicillanate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

74481-04-2

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74481-04-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 74481-04-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,4,8 and 1 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 74481-04:
(7*7)+(6*4)+(5*4)+(4*8)+(3*1)+(2*0)+(1*4)=132
132 % 10 = 2
So 74481-04-2 is a valid CAS Registry Number.

74481-04-2Downstream Products

74481-04-2Relevant articles and documents

Preparation of 6α-Monosubstituted and 6,6-Disubstituted Penicillanates from 6-Diazopenicillanates: Reactions of 6-Diazopenicillanates with Alcohols, Thiols, Phenylseleninyl Compounds, and Allylic Sulphides, and their Analogues

Giddings, Peter J.,John, D. Ivor,Thomas, Eric J.

, p. 2757 - 2766 (2007/10/02)

Reactions of 6-diazapenicillanates (1) and (2) with a range of compounds, in some cases catalysed by BF3-Et2O or Cu(acac)2, have been investigated, and found to be useful for the synthesis of 6α-monosubstituted and 6,6-disubstituted penicillanates.Thus th

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