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172788-00-0

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172788-00-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 172788-00-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,2,7,8 and 8 respectively; the second part has 2 digits, 0 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 172788-00:
(8*1)+(7*7)+(6*2)+(5*7)+(4*8)+(3*8)+(2*0)+(1*0)=160
160 % 10 = 0
So 172788-00-0 is a valid CAS Registry Number.

172788-00-0Relevant articles and documents

CO2(CO)8-assisted synthesis of propargylic unsymmetrical ethers by reaction of alcohols with propargylic alcohols

Diaz,Martin

, p. 9993 - 9996 (2000)

Lewis acid treatment of alcohols with CO2(CO)6-propargylic alcohols yielded propargylic ethers after cobalt demetallation. The procedure is highly effective for the preparation of symmetrical and unsymmetrical ethers derived from primary alcohols and primary and secondary propargylic alcohols. The method permits the use of a wide range of alcohols including those having halogens in their structures. (C) 2000 Published by Elsevier Science Ltd.

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