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205690-63-7

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205690-63-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 205690-63-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,5,6,9 and 0 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 205690-63:
(8*2)+(7*0)+(6*5)+(5*6)+(4*9)+(3*0)+(2*6)+(1*3)=127
127 % 10 = 7
So 205690-63-7 is a valid CAS Registry Number.

205690-63-7Relevant articles and documents

Diastereoselective addition of grignard reagents to chiral 1,3- oxazolidines having a N-diphenylmethyl substituent

Yamauchi, Takayasu,Takahashi, Hiroshi,Higashiyama, Kimio

, p. 384 - 389 (2007/10/03)

Chiral 1,3-oxazolidines having a diphenylmethyl group at the 3-position of the oxazolidine ring as a bulky substituent were synthesized. The reaction of Grignard reagents with the chiral 1,3-oxazolidines afforded the corresponding amines with very high di

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