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79686-52-5

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79686-52-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 79686-52-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,9,6,8 and 6 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 79686-52:
(7*7)+(6*9)+(5*6)+(4*8)+(3*6)+(2*5)+(1*2)=195
195 % 10 = 5
So 79686-52-5 is a valid CAS Registry Number.

79686-52-5Downstream Products

79686-52-5Relevant articles and documents

4-Tert.-butoxyphenylglycinonitrile and the preparation of D-(-)- and L-(+)-4-hydroxyphenylglycine

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, (2008/06/13)

4-Tert.-butoxyphenylglycinonitrile (I) STR1 and a process for the preparation of D-(-)-4-hydroxyphenylglycine (IIa) and L-(+)-4-hydroxyphenylglycine (IIb) STR2 wherein compound I is reacted in a conventional manner, in alcoholic solution and in the presence of a carbonyl compound, with about the equimolar amount of L-(+)-tartaric acid or D-(-)-tartaric acid and the D-(-)-I-L-(+)-tartrate or L-(+)-I-D-(-)-tartrate thereby obtained in crystalline form is converted to IIa or IIb respectively in aqueous acid solution at 20°-110° C. by splitting off the L-(+)-tartaric acid or D-(-)-tartaric acid, hydrolyzing the nitrile group and hydrolytically splitting off the tert.-butyl group.

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