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129871-30-3

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129871-30-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 129871-30-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,8,7 and 1 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 129871-30:
(8*1)+(7*2)+(6*9)+(5*8)+(4*7)+(3*1)+(2*3)+(1*0)=153
153 % 10 = 3
So 129871-30-3 is a valid CAS Registry Number.

129871-30-3Downstream Products

129871-30-3Relevant articles and documents

Palladium Catalysis in Cephalosporin Chemistry: General Methodology for the Synthesis of Cephem Side Chains

Farina, Vittorio,Baker, Stephen R.,Benigni, Daniel A.,Hauck, Sheila I.,Sapino, Chester

, p. 5833 - 5847 (2007/10/02)

We describe in full the palladium-catalyzed coupling of 3-(triflyloxy)cephems with organotin compounds, leading to the synthesis of 3-alkenyl-, 3-alkynyl-, and 3-arylcephems under exceptionally mild conditions.While this approach was not satisfactory for

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