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(5R,7R,8R,9S)-8-acetamido-9-acetoxy-7-[((1S,2R)-1,2,3-triacetoxy)propyl]-1-cyclohexyl-3-phenyl-6-oxa-1,3-diazaspiro[4.5]decane-2,4-dione is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

1228677-99-3

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1228677-99-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1228677-99-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,8,6,7 and 7 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1228677-99:
(9*1)+(8*2)+(7*2)+(6*8)+(5*6)+(4*7)+(3*7)+(2*9)+(1*9)=193
193 % 10 = 3
So 1228677-99-3 is a valid CAS Registry Number.

1228677-99-3Downstream Products

1228677-99-3Relevant academic research and scientific papers

Highly α-selective synthesis of sialyl spirohydantoins by regiospecific domino condensation/O→N acyl migration/N-sialylation of carbodiimides with peracetylated sialic acid

Zhang, Dengyou,Ye, Deju,Feng, Enguang,Wang, Jinfang,Shi, Jianmei,Jiang, Hualiang,Liu, Hong

experimental part, p. 3552 - 3557 (2010/07/04)

Figure presented A novel and efficient process for the synthesis of α-sialyl spirohydantoin analogues via one-pot sequential reaction involving various carbodiimides and peracetylated Neu5Ac is reported. BF 3·Et2O mediating intramolecular N-sialylation with excellent α-selectivity is first demonstrated.

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