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149885-34-7

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149885-34-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 149885-34-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,9,8,8 and 5 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 149885-34:
(8*1)+(7*4)+(6*9)+(5*8)+(4*8)+(3*5)+(2*3)+(1*4)=187
187 % 10 = 7
So 149885-34-7 is a valid CAS Registry Number.

149885-34-7Downstream Products

149885-34-7Relevant articles and documents

Synthesis and Reaction of Optically Active 2- and 3-Hydroxyalkylphosphonium Salts

Yamamoto, Shin-ichi,Takeuchi, Hiroshi,Tanaka, Yuichiro,Okuma, Kentaro

, p. 113 - 116 (2007/10/02)

Epoxides were converted to the corresponding optically active 2- and 3-hydroxyalkylphosphonium salts by the reaction with triphenylphosphine and dibenzoyltartaric acid (or camphorsulfonic acid), and with methylenetriphenylphosphorane and this acid, follow

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