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72258-66-3

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72258-66-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 72258-66-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,2,5 and 8 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 72258-66:
(7*7)+(6*2)+(5*2)+(4*5)+(3*8)+(2*6)+(1*6)=133
133 % 10 = 3
So 72258-66-3 is a valid CAS Registry Number.

72258-66-3Downstream Products

72258-66-3Relevant articles and documents

Synthesis of dl-Shyobunone

Vig, O. P.,Sharma, M. L.,Sethi, A. S.,Sharma, S. D.

, p. 176 - 177 (2007/10/02)

Shyobunone (I) has been synthesised starting from piperitone (II).The ketone (II) on reaction with divinyllithium cuprate produces stereospecifically the saturated ketone (III) in which the ketone function is masked as the ethylene ketal to give 1,1-ethyl

Synthesis of the sesquiterpene ketone shyobunon and of its diastereoisomers

Frater

, p. 2709 - 2719 (2007/10/12)

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