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137730-33-7

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137730-33-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 137730-33-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,7,3 and 0 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 137730-33:
(8*1)+(7*3)+(6*7)+(5*7)+(4*3)+(3*0)+(2*3)+(1*3)=127
127 % 10 = 7
So 137730-33-7 is a valid CAS Registry Number.

137730-33-7Downstream Products

137730-33-7Relevant articles and documents

Storable arylpalladium(II) reagents for alkene labeling in aqueous media

Simmons, Rebecca L.,Yu, Robert T.,Myers, Andrew G.

supporting information; experimental part, p. 15870 - 15873 (2011/11/13)

We show that arylpalladium(II) reagents linked to biotin and indocyanine dye residues can be prepared by decarboxylative palladation of appropriately substituted electron-rich benzoic acid derivatives. When prepared under the conditions described, these organometallic intermediates are tolerant of air and water, can be stored for several months in solution in dimethyl sulfoxide, and permit biotin- and indocyanine dye-labeling of functionally complex olefinic substrates in water by Heck-type coupling reactions.

Highly selective reactions of FK506 with diazomethane

Edmunds,Baumann,Grassberger,Schulz

, p. 7039 - 7042 (2007/10/02)

Three modes of diazomethane reactivity, namely oxirane formation, O-methylation and cyclopropanation, can be accomplished with excellent selectivity on the multifunctional molecule FK506.

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