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1289154-21-7

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1289154-21-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1289154-21-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,8,9,1,5 and 4 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1289154-21:
(9*1)+(8*2)+(7*8)+(6*9)+(5*1)+(4*5)+(3*4)+(2*2)+(1*1)=177
177 % 10 = 7
So 1289154-21-7 is a valid CAS Registry Number.

1289154-21-7Downstream Products

1289154-21-7Relevant articles and documents

Synthesis of new [(2S)-N-(p-Tolylsulfonyl)-2-Pyrrolidinyl]Propyl 2,3,4-Tri-O-Acetyl- and 2,3,4-Tri-O-Benzyl-β-L-Fucopyranosides

E Silva, Maria Joselice,Srivastava, Rajendra M.,Doboszewski, Bogdan,Cottier, Louis,Sinou, Denis

, p. 105 - 111 (2011/06/26)

Synthesis of two new glycoheterocyclic compounds, [(2S)-N-(p-tolylsulfonyl) -2-pyrrolidinyl]propyl 2,3,4-tri-O-acetyl- and 2,3,4-tri-O-benzyl-β-L- fucopyranosides la and lb, starting from δ-amino alcohol (-)-[(2S)-N-(ptolylsulfonyl)-2-pyrrolidinyl]propan-l-ol 2 and O-α-L-fucosyltrichloroacetimidates 3a or 3b as glycosyl donor is described. Hitherto δ-aminoalcohol 2 was synthesized from L-proline without any racemization during its preparation.

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