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84668-91-7

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84668-91-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 84668-91-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,4,6,6 and 8 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 84668-91:
(7*8)+(6*4)+(5*6)+(4*6)+(3*8)+(2*9)+(1*1)=177
177 % 10 = 7
So 84668-91-7 is a valid CAS Registry Number.

84668-91-7Relevant articles and documents

Syntheses of Polypeptides by Hidrogenolysis of N-Benzyloxycarbonyl-Amino Acid Anhydrides

Munegumi, Toratane,Meng, Yan-Quing,Harada, Kaoru

, p. 2748 - 2750 (2007/10/02)

When anhydrides of N-benzyloxycarbonyl-DL-aspartic acid (Z-DL-Asp), Z-L-Asp, N-Z-DL-glutamic acid (Z-DL-Glu), Z-L-Glu and N-Z-3-aminoglutaric acid (Z-β-Agl) were hydrogenolyzed in N,N-dimethylformamide (DMF), polypeptides were obtained in high yields.Hydrogenolyses of Z-DL-Glu and Z-L-Glu in dioxane gave pyroglutamic acid.

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