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1298044-21-9

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1298044-21-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1298044-21-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,9,8,0,4 and 4 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1298044-21:
(9*1)+(8*2)+(7*9)+(6*8)+(5*0)+(4*4)+(3*4)+(2*2)+(1*1)=169
169 % 10 = 9
So 1298044-21-9 is a valid CAS Registry Number.

1298044-21-9Relevant articles and documents

Practical syntheses of (2S)-R207910 and (2R)-R207910

Chandrasekhar, Srivari,Babu, G. S. Kiran,Mohapatra, Debendra K.

, p. 2057 - 2061 (2011/05/09)

Concise and practical syntheses of (2S)-R207910 (3a) and (2R)-R207910 (3b) have been achieved in high overall yield of 12 % in 10 steps for each isomer starting from a known intermediate following Sharpless asymmetric epoxidation, regioselective epoxide opening, modified allylzinc bromide addition as key reactions. Copyright

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