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1219970-88-3

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1219970-88-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1219970-88-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,9,9,7 and 0 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1219970-88:
(9*1)+(8*2)+(7*1)+(6*9)+(5*9)+(4*7)+(3*0)+(2*8)+(1*8)=183
183 % 10 = 3
So 1219970-88-3 is a valid CAS Registry Number.

1219970-88-3Upstream product

1219970-88-3Relevant articles and documents

Stereoselective synthesis of substituted tetrahydropyrans via domino olefin cross-metathesis/intramolecular oxa-conjugate cyclization

Fuwa, Haruhiko,Noto, Kenkichi,Sasaki, Makoto

supporting information; experimental part, p. 1636 - 1639 (2010/06/19)

(Figure Presented) A novel strategy for the stereoselective synthesis of substituted tetrahydropyrans has been developed on the basis of a domino olefin crossmetathesis/intramolecular oxa-conjugate cyclization catalyzed by the Hoveyda- Grubbs second-generation catalyst.

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