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C49H74O14 is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

74950-50-8

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74950-50-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 74950-50-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,9,5 and 0 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 74950-50:
(7*7)+(6*4)+(5*9)+(4*5)+(3*0)+(2*5)+(1*0)=148
148 % 10 = 8
So 74950-50-8 is a valid CAS Registry Number.

74950-50-8Downstream Products

74950-50-8Relevant academic research and scientific papers

SYNTHESIS OF 19-EPI-AVERMECTIN A1a FROM AVERMECTIN B1a

Hanessian, Stephen,Chemla, Philippe

, p. 2719 - 2722 (1991)

The conversion of avermectin B1a into 19-epi-avermectin A1a was accomplished by an intramolecular Mitsunobu reaction of a Δ2-conjugated seco acid with inversion of configuration, followed by a stereocontrolled deconjugation.

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