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1262217-03-7

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1262217-03-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1262217-03-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,6,2,2,1 and 7 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1262217-03:
(9*1)+(8*2)+(7*6)+(6*2)+(5*2)+(4*1)+(3*7)+(2*0)+(1*3)=117
117 % 10 = 7
So 1262217-03-7 is a valid CAS Registry Number.

1262217-03-7Downstream Products

1262217-03-7Relevant articles and documents

Synthesis of adamantylglycine using a diastereoselective grignard-to-nitrone addition

Baskakova, Alevtina,Frey, Wolfgang,Jaeger, Volker

, p. 3693 - 3699 (2010)

In contrast to amino acids with a bulky substituent like tert-leucine, adamantylglycine has so far received little attention. Here, a new, practical synthesis of adamantylglycine is described. This is based on a highly diastereoselective addition of adamantyl Grignard reagent to 2,3-O-cyclohexylideneglyceraldehyde N-benzylnitrone, mediated by the Lewis acid diethylaluminum chloride. Adamantylglycine is obtained from the nitrone in 6 steps and 28% yield as a crystalline hydrochloride with 0.5 methanol incorporated.

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