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42273-08-5

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42273-08-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 42273-08-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,2,7 and 3 respectively; the second part has 2 digits, 0 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 42273-08:
(7*4)+(6*2)+(5*2)+(4*7)+(3*3)+(2*0)+(1*8)=95
95 % 10 = 5
So 42273-08-5 is a valid CAS Registry Number.

42273-08-5Upstream product

42273-08-5Downstream Products

42273-08-5Relevant articles and documents

Aza Triterpenes. Part-IV: Synthesis of Ring A Fused (3,2-c)Isoxazoles and (3,2-c)Furazans of Methyl Oleanate and Methyl Betulinate

Govardhan, Ch.,Reddy, R. Prasad,Ramaiah, T. Sundara,Rao, T. Venkatrajeshwar

, p. 858 - 860 (2007/10/02)

Ring A fused isoxazoles (III and IX) and furazans (VI and XII) of methyl oleanate and methyl betulinate were synthesised through their 3-keto-2-formyl derivatives (II and VIII) and through their 2,3-bis oximes (V and XI), respectively.

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