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1210503-87-9

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1210503-87-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1210503-87-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,0,5,0 and 3 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1210503-87:
(9*1)+(8*2)+(7*1)+(6*0)+(5*5)+(4*0)+(3*3)+(2*8)+(1*7)=89
89 % 10 = 9
So 1210503-87-9 is a valid CAS Registry Number.

1210503-87-9Upstream product

1210503-87-9Downstream Products

1210503-87-9Relevant academic research and scientific papers

Wittig olefination-claisen rearrangement protocol for cyclohexene annulation

Kulkarni, Mukund G.,Gaikwad, Dnyaneshwar D.,Borhade, Ajit S.,Shaikh, Yunus B.,Ningdale, Vijay B.,Chavhan, Sanjay W.,Dhondge, Attrimuni P.,Desai, Mayur P.,Birhade, Deekshaputra R.

, p. 423 - 433 (2010)

A two-step iterative sequence of Wittig olefination followed by Claisen rearrangement resulted in 1,7-octadienes, which afforded the corresponding cyclohexene carbaldehydes upon ring-closing metathesis with Grubbs catalyst.

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