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1262222-04-7

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1262222-04-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1262222-04-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,6,2,2,2 and 2 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1262222-04:
(9*1)+(8*2)+(7*6)+(6*2)+(5*2)+(4*2)+(3*2)+(2*0)+(1*4)=107
107 % 10 = 7
So 1262222-04-7 is a valid CAS Registry Number.

1262222-04-7Downstream Products

1262222-04-7Relevant articles and documents

Camphor-derived C1-symmetric chiral diamine organocatalysts for asymmetric Michael addition of nitroalkanes to enones

Zhou, Yirong,Liu, Qiang,Gong, Yuefa

, p. 7618 - 7627 (2012/10/29)

A series of stable C1-symmetric chiral diamines (2a-2l) were conveniently synthesized by condensing exo-(-)-bornylamine or (+)-(1S,2S,5R)-menthylamine with various commercially available Cbz-protected amino acids. Among them, 2a can efficiently promote the Michael addition of nitroalkanes to a broad scope of enones with high yields (up to 96%) and excellent enantioselectivities (up to 98%) under mild conditions.

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