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72170-92-4

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72170-92-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 72170-92-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,1,7 and 0 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 72170-92:
(7*7)+(6*2)+(5*1)+(4*7)+(3*0)+(2*9)+(1*2)=114
114 % 10 = 4
So 72170-92-4 is a valid CAS Registry Number.

72170-92-4Downstream Products

72170-92-4Relevant articles and documents

Asymmetric synthesis of all stereoisomers of 7,11-dimethylheptadecane and 7-methylheptadecane, the female pheromone components of the spring hemlock looper and the pitch pine looper

Enders, Dieter,Schü?eler, Thomas

, p. 3467 - 3470 (2007/10/03)

The asymmetric synthesis of the stereoisomers of 7,11-dimethylheptadecane (1) and 7-methylheptadecane (2) via α-alkylation employing the SAMP/RAMP hydrazone method with high asymmetric induction and good overall yields is described. A mixture of (7S,11R)-1 and (S)-2 is the female-produced sex pheromone of the spring hemlock looper moth (Lambdina athasaria) and the pitch pine looper moth (Lambdina pellucidaria). They are both forest pests in northeastern North America.

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