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137480-02-5

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137480-02-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 137480-02-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,4,8 and 0 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 137480-02:
(8*1)+(7*3)+(6*7)+(5*4)+(4*8)+(3*0)+(2*0)+(1*2)=125
125 % 10 = 5
So 137480-02-5 is a valid CAS Registry Number.

137480-02-5Relevant articles and documents

Preparation of Optically Active Pyrrol-2-ylmethanols by Kinetic Resolution Using the Modified Sharpless Asymmetric Epoxidation Reagent

Zhou, Wei-Shan,Wei, Dong

, p. 1971 - 1980 (2007/10/02)

Kinetic resolution of pyrrol-2-ylmethanols was carried out by using the modified Sharpless asymmetric epoxidation reagent to give the slow-reaction enantiomers (R)-3a-g and (S)-3b,d with high enantioselectivity (>90percent e.e.) and high chemical yield (30 - 43percent)

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