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134540-78-6

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134540-78-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 134540-78-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,4,5,4 and 0 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 134540-78:
(8*1)+(7*3)+(6*4)+(5*5)+(4*4)+(3*0)+(2*7)+(1*8)=116
116 % 10 = 6
So 134540-78-6 is a valid CAS Registry Number.

134540-78-6Downstream Products

134540-78-6Relevant articles and documents

Supported 3,5-disubstituted chiral hydantoin: A practical catalyst for the asymmetric hydrocyanation of 3-phenoxybenzaldehyde

Zhai, Zhicai,Chen, Jinlong,Wang, Hailing,Zhang, Quanxing

, p. 1873 - 1883 (2003)

A novel synthesis of six (R)-3,5-disubstituted chiral hydantoins in mixed solvent is reported. The catalysts were supported on a new polymeric resin afterwards and their enantioselectivities are examined via the asymmetric hydrocyanation of 3-phenoxybenzaldehyde.

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