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134540-82-2

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134540-82-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 134540-82-2 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, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 134540-82:
(8*1)+(7*3)+(6*4)+(5*5)+(4*4)+(3*0)+(2*8)+(1*2)=112
112 % 10 = 2
So 134540-82-2 is a valid CAS Registry Number.

134540-82-2Downstream Products

134540-82-2Relevant articles and documents

Asymmetric Hydrocyanation of Benzaldehydes Catalysed by (5R)-5-(4-Imidazolylmethyl)-2,4-imidazolidinedione

Danda, Hidenori

, p. 3743 - 3745 (2007/10/02)

The catalytic activity of (5R)-5-(4-imidazolylmethyl)-2,4-imidazolidinedione (3) was examined in the asymmetric hydrocyanation of 3-phenoxybenzaldehyde (1a) to (S)-2-hydroxy-2-(3-phenoxyphenyl)acetonitrile ((S)-2a), an important alcohol moiety of optically active pyrethroid insecticides.Among the catalysts, 3-benzyl derivative (3d) exhibited moderate enantioselectivities for 1a and other benzaldehydes.

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