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152407-20-0

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152407-20-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 152407-20-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,2,4,0 and 7 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 152407-20:
(8*1)+(7*5)+(6*2)+(5*4)+(4*0)+(3*7)+(2*2)+(1*0)=100
100 % 10 = 0
So 152407-20-0 is a valid CAS Registry Number.

152407-20-0Relevant articles and documents

Generation and alkylation of α-lithio-Se,O-heteroacetals, and stereoselective cyclization of olefinic Se,O-heteroacetals

Yoshimatsu,Fujimoto,Shimizu,Hori,Kataoka

, p. 1160 - 1162 (1993)

Generation of α-lithio-Se,O-heteroacetals was accomplished by direct deprotonation of O-methoxyethylselenoacetals with lithium 2,2,6,6- tetramethylpiperidide. Alkylation of the α-lithioheteroacetals smoothly proceeded to give the products 6 and 7. Olefini

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